+2014-11-05: Version 3.30.33
+
+ `1..isPrototypeOf.call(null)` should return false, not throw TypeError
+ (issue 3483).
+
+ Refactor ObjectGetOwnPropertyKeys to accept bitmask rather than boolean
+ (issue 3549).
+
+ Add debug mirror support for ES6 Map/Set iterators (Chromium issue
+ 427868).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-11-04: Version 3.30.30
+
+ Performance and stability improvements on all platforms.
+
+
+2014-11-02: Version 3.30.27
+
+ Performance and stability improvements on all platforms.
+
+
+2014-11-02: Version 3.30.26
+
+ Performance and stability improvements on all platforms.
+
+
+2014-11-01: Version 3.30.25
+
+ Performance and stability improvements on all platforms.
+
+
+2014-11-01: Version 3.30.24
+
+ Ensure we don't try to inline raw access to indexed interceptor
+ receivers (Chromium issue 419220).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-31: Version 3.30.23
+
+ Introduce v8::Exception::GetMessage to find location of an error object
+ (Chromium issue 427954).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-30: Version 3.30.22
+
+ MIPS: Classes: Add super support in methods and accessors (issue 3330).
+
+ Classes: Add super support in methods and accessors (issue 3330).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-29: Version 3.30.21
+
+ MIPS: Classes: Add basic support for properties (issue 3330).
+
+ Classes: Add more tests for prototype edge cases (Chromium issue 3655).
+
+ Classes: Add test for method prototype (issue 3330).
+
+ Get stack trace for uncaught exceptions/promise rejections from the
+ simple stack when available.
+
+ Classes: Add basic support for properties (issue 3330).
+
+ Allow duplicate property names in classes (issue 3570).
+
+ Windows: use SystemTimeToTzSpecificLocalTime instead of localtime_s
+ (Chromium issue 417640).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-28: Version 3.30.20
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-27: Version 3.30.19
+
+ Check string literals with escapes in PreParserTraits::GetSymbol()
+ (issue 3606).
+
+ only define ARRAYSIZE_UNSAFE for NaCl builds (Chromium issue 405225).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-24: Version 3.30.18
+
+ Narrow cases where Sparse/Smart versions of Array methods are used
+ (issues 2615, 3612, 3621).
+
+ Shrink new space in idle notification (Chromium issue 424423).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-23: Version 3.30.17
+
+ ARM64: Fix stack manipulation (Chromium issue 425585).
+
+ Speed up creation of Objects whose prototype has dictionary elements
+ (Chromium issue 422754).
+
+ Enable libstdc++ debug mode in debug builds (issue 3638).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-22: Version 3.30.16
+
+ Remove v8stdint.h, it doesn't serve a purpose anymore.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-21: Version 3.30.15
+
+ Avoid the Marsaglia effect in 3D (Chromium issue 423311).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-20: Version 3.30.14
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-17: Version 3.30.13
+
+ Don't expose Array.prototype.values as it breaks webcompat (Chromium
+ issue 409858).
+
+ Fix break location calculation (Chromium issue 419663).
+
+ Enable libstdc++ debug mode in debug builds (issue 3638).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-17: Version 3.30.12
+
+ Implement .forEach() on typed arrays (issue 3578).
+
+ Introduce v8::Exception::GetStackTrace API method.
+
+ Remove SmartMove, bringing Array methods further into spec compliance
+ (issue 2615).
+
+ Convert argument toObject() in Object.getOwnPropertyNames/Descriptors
+ (issue 3443).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-15: Version 3.30.11
+
+ Array.prototype.{every, filter, find, findIndex, forEach, map, some}:
+ Use fresh primitive wrapper for calls (issue 3536).
+
+ Correctly expand literal buffer for surrogate pairs (Chromium issue
+ 423212).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-15: Version 3.30.10
+
+ Squeeze the layout of various AST node types (Chromium issue 417697).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-14: Version 3.30.9
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-13: Version 3.30.8
+
+ AST nodes have at most one bailout/typefeedback ID now, saving lots of
+ memory (Chromium issue 417697).
+
+ Allow identifier code points from supplementary multilingual planes
+ (issue 3617).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-10: Version 3.30.7
+
+ Fix computation of UTC time from local time at DST change points (issue
+ 3116, Chromium issues 415424, 417640).
+
+ Convert `obj` ToObject in Object.keys() (issue 3587).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-09: Version 3.30.6
+
+ Update unicode to 7.0.0 (issue 2892).
+
+ Classes: Add support for toString (issue 3330).
+
+ Don't enable WPO on Win64 and require Server 2003 / x64 for win64
+ (Chromium issue 421363).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-08: Version 3.30.5
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-08: Version 3.30.4
+
+ This uses a runtime function to set up the the constructor and its
+ prototype (issue 3330).
+
+ Remove PersistentBase::ClearAndLeak.
+
+ Squeeze the layout of variable proxy nodes (Chromium issue 417697).
+
+ Add MonotonicallyIncreasingTime to V8 Platform (Chromium issue 417668).
+
+ Fix representation of HLoadRoot (Chromium issue 419036).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-03: Version 3.30.3
+
+ Removed the Isolate* field from literal nodes (Chromium issue 417697).
+
+ Squeeze the layout of expression nodes a bit (Chromium issue 417697).
+
+ Merged FeedbackSlotInterface into AstNode, removing the need for a 2nd
+ vtable (Chromium issue 417697).
+
+ Extend CPU profiler with mapping ticks to source lines.
+
+ Remove support for parallel sweeping.
+
+ Introduce v8::Object::GetIsolate().
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-02: Version 3.30.2
+
+ Fix Hydrogen's BuildStore() (Chromium issue 417508).
+
+ Move unit tests to test/unittests (issue 3489).
+
+ Changes to ALLOW_UNUSED to match upcoming changes to the Chromium trunk:
+ * Eliminate usage of ALLOW_UNUSED to define COMPILE_ASSERT and just use
+ static_assert() in all cases now that all platforms build with C++11. *
+ Convert remaining uses of ALLOW_UNUSED to ALLOW_UNUSED_TYPE to match how
+ Chromium will be splitting this functionality. (In Chromium we'll have
+ both ALLOW_UNUSED_TYPE and ALLOW_UNUSED_LOCAL, which have different
+ syntax to enable us to use these with MSVC.) (Chromium issue 81439).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-10-01: Version 3.30.1
+
+ Introduce PromiseRejectCallback (issue 3093).
+
+ ES6: Implement object literal property shorthand (issue 3584).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-30: Version 3.29.93
+
+ Add a getter for the address and size of the code range to the pulic API
+ (issue 3598).
+
+ Convert `obj` ToObject in Object.keys() (issue 3587).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-29: Version 3.29.92
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-26: Version 3.29.91
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-25: Version 3.29.88
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-24: Version 3.29.87
+
+ Preserve message when rethrowing exception (issue 3583).
+
+ Fix escaped index JSON parsing (Chromium issue 416449).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-23: Version 3.29.84
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-23: Version 3.29.83
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-23: Version 3.29.82
+
+ Fix escaped index JSON parsing (Chromium issue 416449).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-17: Version 3.29.70
+
+ Enable ES6 generators (issue 2355).
+
+ Fixed int vs. uintptr_t confusion (plus some cleanup on the way) (issue
+ 3556).
+
+ Move configuration of ResourceConstraints to Isolate construction.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-16: Version 3.29.66
+
+ Currently, a new isolate is created in an uninitialized state, and
+ several API methods will automatically initialize it. During this
+ uninitialized state, code event handlers and function entry handlers can
+ be attached to the isolate.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-15: Version 3.29.64
+
+ ES6: String(symbol) should work like symbol.toString (issue 3554).
+
+ Arrow functions: Cleanup handling of the prototype property (issue
+ 2700).
+
+ Remove V8_HOST_CAN_READ_UNALIGNED and its uses (Chromium issue 412967).
+
+ Fix Smi vs. HeapObject confusion in HConstants (Chromium issue 412215).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-12: Version 3.29.59
+
+ Do not use wide reads in CopyCharsUnsigned (Chromium issue 412967).
+
+ Fix inaccurate type condition in Hydrogen (Chromium issue 412210).
+
+ Fix crash in ScriptDebugServer::wrapCallFrames (Chromium issue 411196).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-11: Version 3.29.57
+
+ ES6: Add support for method shorthand in object literals (issue 3516).
+
+ Unbreak FreeBSD build (hopefully) (issue 3548).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-09: Version 3.29.53
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-08: Version 3.29.50
+
+ Allocate a new empty number dictionary when resetting elements (Chromium
+ issue 410332).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-05: Version 3.29.43
+
+ Enforce correct number comparisons when inlining Array.indexOf (Chromium
+ issue 407946).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-04: Version 3.29.41
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-03: Version 3.29.40
+
+ Use correct receiver for DOM accessors on the prototype chain (issue
+ 3538).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-02: Version 3.29.38
+
+ Do not clear weak monomorphic IC after context disposal (Chromium issue
+ 404020).
+
+ Turn on job-based sweeping (issue 3104).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-01: Version 3.29.35
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-29: Version 3.29.29
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.27
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.25
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.24
+
+ Tweaks to generate XP-compatible .exes (Chromium issue 407517).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.23
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-27: Version 3.29.20
+
+ Handle empty allocation list in CodeRange properly (issue 3540, Chromium
+ issue 407566).
+
+ Fixed inlining of constant values (issue 3529).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-25: Version 3.29.17
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-24: Version 3.29.16
+
+ Fix issue with numeric property names (issue 3507).
+
+ Add back the duplicate property checker (issue 3498).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-22: Version 3.29.14
+
+ Don't inline Array.shift() if receiver map is not extensible (Chromium
+ issue 405517).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-21: Version 3.29.11
+
+ Refactor ParseObjectLiteral.
+
+ Support symbol-named properties in API (issue 3394).
+
+ Suppress test262 test that tests duplicate properties.
+
+ ES6: Duplicate properties are no longer an error (issue 3498).
+
+ Expose function CheckDebugBreak in the debugger api.
+
+ Remove RegExp.$input (issue 3486).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-21: Version 3.29.10
+
+ ES6: Make sure we do not store -0 as the key in Map/Set (issue 3515).
+
+ Remove removed flags from tests.
+
+ Expose well-known Symbols to C++ API (Chromium issue 341423).
+
+ Implement ES6 Array.of() (issue 3427).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-20: Version 3.29.9
+
+ Correctly handle holes when concat()ing double arrays (Chromium issue
+ 403409).
+
+ [turbofan] Refactor the InstructionSelector tests (issue 3489).
+
+ ES6: Make Map/Set constructors support iterable values (issue 3508).
+
+ WeakMap/WeakSet: Add test for non object keys (issue 3399).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-12: Version 3.28.71
+
+ ToNumber(Symbol) should throw TypeError (issue 3499).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-11: Version 3.28.69
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-09: Version 3.28.65
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-08: Version 3.28.64
+
+ ES6: Implement WeakMap and WeakSet constructor logic (issue 3399).
+
+ Enable ES6 unscopables (issue 3401).
+
+ Turn on harmony_unscopables for es_staging (issue 3401).
+
+ Remove proxies from --harmony switch for M38, because problems.
+
+ Reland "Add initial support for compiler unit tests using GTest/GMock."
+ (issue 3489).
+
+ Enable ES6 iteration by default (issue 2214).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-07: Version 3.28.62
+
+ Only escape U+0022 in argument values of `String.prototype` HTML methods
+ (issue 2217).
+
+ Update webkit test for expected own properties.
+
+ This implements unscopables (issue 3401).
+
+ Add `CheckObjectCoercible` for the `String.prototype` HTML methods
+ (issue 2218).
+
+ Add initial support for compiler unit tests using GTest/GMock (issue
+ 3489).
+
+ Trigger exception debug events on Promise reject (Chromium issue
+ 393913).
+
+ Refactor unit tests for the base library to use GTest (issue 3489).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-06: Version 3.28.60
+
+ Enable ES6 Map and Set by default (issue 1622).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-06: Version 3.28.59
+
+ Removed GetConstructor from the API. Instead either get the
+ "constructor" property stored in the prototype, or keep a side-table.
+
+ Enable ES6 Symbols by default (issue 2158).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-05: Version 3.28.57
+
+ Add dependencies on gtest and gmock.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-04: Version 3.28.54
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-01: Version 3.28.53
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-31: Version 3.28.52
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-31: Version 3.28.51
+
+ Drop deprecated memory related notification API (Chromium issue 397026).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-31: Version 3.28.50
+
+ Use emergency memory in the case of out of memory during evacuation
+ (Chromium issue 395314).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-30: Version 3.28.48
+
+ Fix Object.freeze with field type tracking. Keep the descriptor properly
+ intact while update the field type (issue 3458).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-29: Version 3.28.45
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-28: Version 3.28.43
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-25: Version 3.28.38
+
+ Fix issue with setters and their holders in accessors.cc (Chromium issue
+ 3462).
+
+ Introduce more debug events for promises (issue 3093).
+
+ Move gc notifications from V8 to Isolate and make idle hint mandatory
+ (Chromium issue 397026).
+
+ The accessors should get the value from the holder and not from this
+ (issue 3461).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-24: Version 3.28.35
+
+ Rebaseline/update the intl tests with ICU 52 (issue 3454).
+
+ Expose the content of Sets and WeakSets through SetMirror (issue 3093).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-23: Version 3.28.32
+
+ Update ICU to 5.2 (matching chromium) (issue 3452).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-22: Version 3.28.31
+
+ Remove harmony-typeof.
+
+ Implement String.prototype.codePointAt and String.fromCodePoint (issue
+ 2840).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-21: Version 3.28.30
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-21: Version 3.28.29
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-18: Version 3.28.28
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-17: Version 3.28.26
+
+ Ship ES6 Math functions (issue 2938).
+
+ Make ToPrimitive throw on symbol wrappers (issue 3442).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-16: Version 3.28.25
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-16: Version 3.28.24
+
+ Removed some copy-n-paste from StackFrame::Foo API entries (issue 3436).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-15: Version 3.28.23
+
+ Fix error message about read-only symbol properties (issue 3441).
+
+ Include symbol properties in Object.{create,defineProperties} (issue
+ 3440).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-14: Version 3.28.22
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-11: Version 3.28.21
+
+ Make `let` usable as an identifier in ES6 sloppy mode (issue 2198).
+
+ Support ES6 Map and Set in heap profiler (issue 3368).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-10: Version 3.28.20
+
+ Remove deprecate counter/histogram methods.
+
+ Fixed printing of external references (Chromium issue 392068).
+
+ Fix several issues with ES6 redeclaration checks (issue 3426).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-09: Version 3.28.19
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-09: Version 3.28.18
+
+ Reland "Postpone termination exceptions in debug scope." (issue 3408).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-08: Version 3.28.17
+
+ MIPS: Fix computed properties on object literals with a double as
+ propertyname (Chromium issue 390732).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-08: Version 3.28.16
+
+ Fix computed properties on object literals with a double as propertyname
+ (Chromium issue 390732).
+
+ Avoid brittle use of .bind in Promise.all (issue 3420).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-07: Version 3.28.15
+
+ Remove a bunch of Isolate::UncheckedCurrent calls.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-07: Version 3.28.14
+
+ Use the HeapObjectIterator to scan-on-scavenge map pages (Chromium issue
+ 390732).
+
+ Introduce debug events for Microtask queue (Chromium issue 272416).
+
+ Split out libplatform into a separate libary.
+
+ Add clang-format to presubmit checks.
+
+ Stack traces exposed to Javascript should omit extensions (issue 311).
+
+ Remove deprecated v8::Context::HasOutOfMemoryException.
+
+ Postpone termination exceptions in debug scope (issue 3408).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-04: Version 3.28.13
+
+ Rollback to r22134.
+
+
+2014-07-04: Version 3.28.12
+
+ Use the HeapObjectIterator to scan-on-scavenge map pages (Chromium issue
+ 390732).
+
+ Introduce debug events for Microtask queue (Chromium issue 272416).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-03: Version 3.28.11
+
+ Split out libplatform into a separate libary.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-03: Version 3.28.10
+
+ Add clang-format to presubmit checks.
+
+ Stack traces exposed to Javascript should omit extensions (issue 311).
+
+ Remove deprecated v8::Context::HasOutOfMemoryException.
+
+ Postpone termination exceptions in debug scope (issue 3408).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-02: Version 3.28.9
+
+ Make freeze & friends ignore private properties (issue 3419).
+
+ Introduce a builddeps make target (issue 3418).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-01: Version 3.28.8
+
+ Remove static initializer from isolate.
+
+ ES6: Add missing Set.prototype.keys function (issue 3411).
+
+ Introduce debug events for promises (issue 3093).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-30: Version 3.28.7
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-30: Version 3.28.6
+
+ Unbreak "os" stuff in shared d8 builds (issue 3407).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-26: Version 3.28.4
+
+ Compile optimized code with active debugger but no break points
+ (Chromium issue 386492).
+
+ Optimize Map/Set.prototype.forEach.
+
+ Collect garbage with kReduceMemoryFootprintMask in IdleNotification
+ (Chromium issue 350720).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-26: Version 3.28.3
+
+ Grow heap slower if GC freed many global handles (Chromium issue
+ 263503).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-25: Version 3.28.2
+
+ Remove bogus assertions in HCompareObjectEqAndBranch (Chromium issue
+ 387636).
+
+ Do not eagerly update allow_osr_at_loop_nesting_level (Chromium issue
+ 387599).
+
+ Set host_arch to ia32 on machines with a 32bit userland but a 64bit
+ kernel (Chromium issue 368384).
+
+ Map/Set: Implement constructor parameter handling (issue 3398).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-24: Version 3.28.1
+
+ Support LiveEdit on Arm64 (Chromium issue 368580).
+
+ Run JS micro tasks in the appropriate context (Chromium issue 385349).
+
+ Add a use counter API.
+
+ Set host_arch to ia32 on machines with a 32bit userland but a 64bit
+ kernel.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-23: Version 3.28.0
+
+ MIPS: Support LiveEdit (Chromium issue 368580).
+
+ Array.concat: properly go to dictionary mode when required (Chromium
+ issue 387031).
+
+ Support LiveEdit on ARM (Chromium issue 368580).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-18: Version 3.27.34
+
+ Reduce number of writes to DependentCode array when inserting dependent
+ IC (Chromium issue 305878).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-17: Version 3.27.33
+
+ Do GC if CodeRange fails to allocate a block (Chromium issue 305878).
+
+ Throw syntax error when a getter/setter has the wrong number of params
+ (issue 3371).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-17: Version 3.27.32
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-16: Version 3.27.31
+
+ Version fix.
+
+
+2014-06-16: Version 3.27.30
+
+ Fix representation of Phis for mutable-heapnumber-in-object-literal
+ properties (issue 3392).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-16: Version 3.27.29
+
+ Emulate MLS on pre-ARMv6T2. Cleaned up thumbee vs. thumb2 confusion.
+
+ X87: Fixed flooring division by a power of 2, once again.. (issue 3259).
+
+ Fixed undefined behavior in RNG (Chromium issue 377790).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-13: Version 3.27.28
+
+ Add v8::Promise::Then (Chromium issue 371288).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-12: Version 3.27.27
+
+ Fix detection of VFP3D16 on Galaxy Tab 10.1 (issue 3387).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-12: Version 3.27.26
+
+ MIPS: Fixed flooring division by a power of 2, once again.. (issue
+ 3259).
+
+ Fixed flooring division by a power of 2, once again.. (issue 3259).
+
+ Fix unsigned comparisons (issue 3380).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-11: Version 3.27.25
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-11: Version 3.27.24
+
+ Fix invalid attributes when generalizing because of incompatible map
+ change (Chromium issue 382143).
+
+ Fix missing smi check in inlined indexOf/lastIndexOf (Chromium issue
+ 382513).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-06: Version 3.27.23
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-06: Version 3.27.22
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-06: Version 3.27.21
+
+ Turn on harmony_collections for es_staging (issue 1622).
+
+ Do not make heap iterable eagerly (Chromium issue 379740).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-05: Version 3.27.20
+
+ Fix invalid loop condition for Array.lastIndexOf() (Chromium issue
+ 380512).
+
+ Add API support for passing a C++ function as a microtask callback.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-04: Version 3.27.19
+
+ Split Put into Put and Remove.
+
+ ES6: Add support for values/keys/entries for Map and Set (issue 1793).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-03: Version 3.27.18
+
+ Remove PROHIBITS_OVERWRITING as it is subsumed by non-configurable
+ properties.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-02: Version 3.27.17
+
+ BuildNumberToString: Check for undefined keys in the cache (Chromium
+ issue 368114).
+
+ HRor and HSar can deoptimize (issue 3359).
+
+ Simplify, speed-up correct-context ObjectObserve calls.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-29: Version 3.27.16
+
+ Allow microtasks to throw exceptions and handle them gracefully
+ (Chromium issue 371566).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-28: Version 3.27.15
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-27: Version 3.27.14
+
+ Reland "Customized support for feedback on calls to Array." and follow-
+ up fixes (Chromium issues 377198, 377290).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-26: Version 3.27.13
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-26: Version 3.27.12
+
+ Check for cached transition to ExternalArray elements kind (issue 3337).
+
+ Support ES6 weak collections in heap profiler (Chromium issue 376196).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-23: Version 3.27.11
+
+ Add support for ES6 Symbol in heap profiler (Chromium issue 376194).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-22: Version 3.27.10
+
+ Implement Mirror object for Symbols (issue 3290).
+
+ Allow debugger to step into Map and Set forEach callbacks (issue 3341).
+
+ Fix ArrayShift hydrogen support (Chromium issue 374838).
+
+ Use SameValueZero for Map and Set (issue 1622).
+
+ Array Iterator next should check for own property.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-21: Version 3.27.9
+
+ Disable ArrayShift hydrogen support (Chromium issue 374838).
+
+ ES6 Map/Set iterators/forEach improvements (issue 1793).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-20: Version 3.27.8
+
+ Move microtask queueing logic from JavaScript to C++.
+
+ Partial revert of "Next bunch of fixes for check elimination" (Chromium
+ issue 372173).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-19: Version 3.27.7
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-19: Version 3.27.6
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-16: Version 3.27.5
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-15: Version 3.27.4
+
+ Drop thenable coercion cache (Chromium issue 372788).
+
+ Skip write barriers when updating the weak hash table (Chromium issue
+ 359401).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-14: Version 3.27.3
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-13: Version 3.27.2
+
+ Harden %SetIsObserved with RUNTIME_ASSERTs (Chromium issue 371782).
+
+ Drop unused static microtask API.
+
+ Introduce an api to query the microtask autorun state of an isolate.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-12: Version 3.27.1
+
+ Object.observe: avoid accessing acceptList properties more than once
+ (issue 3315).
+
+ Array Iterator prototype should not have a constructor (issue 3293).
+
+ Fix typos in unit test for Array.prototype.fill().
+
+ Shorten autogenerated error message for functions only (issue 3019,
+ Chromium issue 331971).
+
+ Reland "Removed default Isolate." (Chromium issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-09: Version 3.27.0
+
+ Unbreak samples and tools.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-08: Version 3.26.33
+
+ Removed default Isolate (Chromium issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-07: Version 3.26.32
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-06: Version 3.26.31
+
+ Add a basic gn file for V8.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-05: Version 3.26.30
+
+ Introduce a microtask suppression scope and move microtask methods to
+ isolate (Chromium issue 369503).
+
+ Re-enable Object.observe and add enforcement for security invariants.
+
+ Move cache line size calculation directly into CPU::FlushICache
+ (Chromium issue 359977).
+
+ Generation of our home-grown memmove doesn't depend on serializer state
+ anymore (Chromium issue 359977).
+
+ Fix |RunMicrotasks()| leaking reference to the last context being run
+ on.
+
+ Object.defineProperty shouldn't be a hint that we're constructing a
+ dictionary (Chromium issue 362870).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-01: Version 3.26.29
+
+ Added a Isolate* parameter to Serializer::enabled() (Chromium issue
+ 359977).
+
+ ES6: Add support for Array.prototype.fill() (issue 3273).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-29: Version 3.26.28
+
+ PromiseThen should ignore non-function parameters (Chromium issue
+ 347455).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-29: Version 3.26.27
+
+ Error stack getter should not overwrite itself with a data property
+ (issue 3294).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-28: Version 3.26.26
+
+ Expose promise value through promise mirror (issue 3093).
+
+ Simplified CPU/CpuFeatures a bit (Chromium issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-28: Version 3.26.25
+
+ Add timestamps to CPU profile samples (Chromium issue 363976).
+
+ Expose promise status through promise mirror (issue 3093).
+
+ Remove static CallCompletedCallback handlers.
+
+ Added an Isolate* field to NoTrackDoubleFieldsForSerializerScope,
+ PlatformFeatureScope and BinaryOpIC::State (Chromium issue 359977).
+
+ Trigger debug event on not yet caught exception in promises (issue
+ 3093).
+
+ Unbreak vtunejit=on (issue 3288).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-25: Version 3.26.24
+
+ MIPS: CodeStubs contain their corresponding Isolate* now. (part 2)
+ (Chromium issue 359977).
+
+ MIPS: CodeStubs contain their corresponding Isolate* now. (part 1)
+ (Chromium issue 359977).
+
+ CodeStubs contain their corresponding Isolate* now. (part 2) (Chromium
+ issue 359977).
+
+ Make DescriptorArray::IsMoreGeneralThan() and DescriptorArray::Merge()
+ compatible again (Chromium issue 365172).
+
+ CodeStubs contain their corresponding Isolate* now. (part 1) (Chromium
+ issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-24: Version 3.26.23
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-23: Version 3.26.22
+
+ Disable field type tracking by default (Chromium issue 365172).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-23: Version 3.26.21
+
+ Context-allocate all parameters in generators (issue 3280).
+
+ Simplify v8/Isolate teardown (Chromium issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-21: Version 3.26.20
+
+ ES6: Add support for Map/Set forEach (Chromium issues 1793, 2323).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-18: Version 3.26.19
+
+ ES6: Add support for Map/Set forEach (Chromium issues 1793, 2323).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-17: Version 3.26.18
+
+ Removed Isolate::EnterDefaultIsolate (Chromium issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-16: Version 3.26.17
+
+ Clear invalid field maps in PropertyAccessInfo (Chromium issue 363956).
+
+ ES6: Add support for Map/Set forEach (Chromium issues 1793, 2323).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-16: Version 3.26.16
+
+ Removed EnterIsolateIfNeeded and a soon-to-be-useless assertion
+ (Chromium issue 359977).
+
+ Removed GetDefaultIsolate{Debugger,ForLocking,StackGuard} (Chromium
+ issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-15: Version 3.26.15
+
+ Fix result of LCodeGen::DoWrapReceiver for strict functions and builtins
+ (Chromium issue 362128).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-15: Version 3.26.14
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-14: Version 3.26.13
+
+ Make maps in monomorphic IC stubs weak (issue 2073).
+
+ x64: Make sure that the upper half of a 64bit register contains 0 for
+ int32 values (Chromium issue 360611).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-11: Version 3.26.12
+
+ Do not use ranges after range analysis (Chromium issue 361608).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-10: Version 3.26.11
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-10: Version 3.26.10
+
+ Allow the embedder to pass the virtual memory limit to v8.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-09: Version 3.26.9
+
+ Fix invalid local property lookup for transitions (Chromium issue
+ 361025).
+
+ MIPS: Fixed flooring division by -1 (issue 3259).
+
+ Fixed flooring division by -1 on ARM (issue 3259).
+
+ Make `String.prototype.contains` throw when passing a regular expression
+ (issue 3261).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-08: Version 3.26.8
+
+ Yet another regression test for range analysis (issue 3204).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-07: Version 3.26.7
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-04: Version 3.26.6
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-03: Version 3.26.5
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-03: Version 3.26.4
+
+ Make stray 'return' an early error.
+
+ Show references from weak containers as weak in heap snapshots (Chromium
+ issue 356590).
+
+ Make invalid LHSs that are calls late errors (Chromium issue 358346).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-02: Version 3.26.3
+
+ Support typed arrays in IsMoreGeneralElementsKindTransition (Chromium
+ issue 357054).
+
+ Remove debugger_auto_break flag.
+
+ Store i18n meta data in hidden symbols instead of js accessible
+ properties (Chromium issue 354967).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-01: Version 3.26.2
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-01: Version 3.26.1
+
+ Fix Type::Intersect to skip uninhabited bitsets (Chromium issue 357330).
+
+ Fix PrepareKeyedOperand on arm (Chromium issue 358057).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-31: Version 3.26.0
+
+ Deprecate Start/StopCpuProfiling methods (issue 3213).
+
+ Don't crash if we get a timezone change notification on an uninitialized
+ isolate (Chromium issue 357362).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-28: Version 3.25.30
+
+ NativeContext::map_cache reference should be strong in heap snapshots
+ (Chromium issue 357060).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-27: Version 3.25.29
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-27: Version 3.25.28
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-26: Version 3.25.27
+
+ Promise constructor should not be enumerable (Chromium issue 352597).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-26: Version 3.25.26
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-25: Version 3.25.25
+
+ Roll ICU 239289:258359 and add support for external ICU data tables
+ (issue 3142, Chromium issue 72633).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-25: Version 3.25.24
+
+ Add support for per-isolate private symbols.
+
+ No longer OOM on invalid string length (issue 3060).
+
+ Remove Failure::OutOfMemory propagation and
+ V8::IgnoreOutOfMemoryException (issue 3060).
+
+ Tentative Windows dll build fix: Don't V8_EXPORT ScriptCompiler::Source
+ (issue 3228).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-24: Version 3.25.23
+
+ Rename A64 port to ARM64 port (Chromium issue 354405).
+
+ Fix missing access check in Runtime_SetPrototype (Chromium issue
+ 354123).
+
+ Fix polymorphic hydrogen handling of SLOPPY_ARGUMENTS_ELEMENTS (Chromium
+ issue 354391).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-20: Version 3.25.22
+
+ Increase the "local variables in a function" limit (issue 3205).
+
+ Implement ES6 symbol registry and predefined symbols.
+
+ Throw exception on invalid string length instead of OOM (Chromium issue
+ 349329).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-20: Version 3.25.21
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-20: Version 3.25.20
+
+ Fix polymorphic keyed loads for SLOPPY_ARGUMENTS_ELEMENTS (Chromium
+ issue 350867).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-19: Version 3.25.19
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-19: Version 3.25.18
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-19: Version 3.25.17
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-18: Version 3.25.16
+
+ Apply numeric casts correctly in typed arrays and related code (Chromium
+ issue 353004).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-18: Version 3.25.15
+
+ Don't generate keyed store ICs for global proxies (Chromium issue
+ 352983).
+
+ MIPS: Make invalid LHSs a parse-time (reference) error (Chromium issue
+ 351658).
+
+ Make invalid LHSs a parse-time (reference) error (Chromium issue
+ 351658).
+
+ Add Promises/A+ Compliance Test Suite (Chromium issue 347095).
+
+ Split Promise API into Promise/Resolver.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-17: Version 3.25.14
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-17: Version 3.25.13
+
+ Move profiler callback interfaces from v8.h to v8-profiler.h.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-14: Version 3.25.12
+
+ PromiseCoerce should deal with an error during accessing "then"
+ (Chromium issue 347095).
+
+ Propagate updated offsets in BoundsCheckBbData (Chromium issue 350863).
+
+ Add regression test for range analysis bug (issue 3204).
+
+ Continued fix for 351257. Reusing the feedback vector is too complex
+ (Chromium issue 351257).
+
+ StopCpuProfiling should return non-const CpuProfile (issue 3213).
+
+ Allow for compiling with xcode 5.1 (which doesn't have gcc anymore).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-14: Version 3.25.11
+
+ MIPS: Remove uses of CanBeNegative() in HMod (issue 3204).
+
+ MIPS: Remove uses of RangeCanInclude() in flooring division by power of
+ 2 (issue 3204).
+
+ MIPS: Fix uses of range analysis results in HChange (issue 3204).
+
+ Make translation of modulus operation '--stress-opt'-proof (Chromium
+ issue 352059).
+
+ Remove uses of CanBeNegative() in HMod (issue 3204).
+
+ Remove uses of RangeCanInclude() in flooring division by power of 2
+ (issue 3204).
+
+ Fix uses of range analysis results in HChange (issue 3204).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-14: Version 3.25.10
+
+ This version was not committed due to script failures.
+
+
+2014-03-13: Version 3.25.9
+
+ Reland "Enable Object.observe by default" again (issue 2409).
+
+ Use intrinsics for builtin ArrayBuffer property accesses (Chromium issue
+ 351787).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-12: Version 3.25.8
+
+ Fix HIsSmiAndBranch::KnownSuccessorBlock() by deleting it (Chromium
+ issue 351320).
+
+ Fix handling of polymorphic array accesses with constant index (Chromium
+ issue 351319).
+
+ Fix lazy deopt after tagged binary ops (Chromium issue 350434).
+
+ MIPS: Cleanup some of the range uses in ModI/DivI (issue 3204).
+
+ Fix issue with getOwnPropertySymbols and hidden properties (Chromium
+ issue 350864).
+
+ Cleanup some of the range uses in ModI/DivI (issue 3204).
+
+ PromiseCoerce should ignore primitive values (Chromium issue 347095).
+
+ Use a per-isolate cache for the date object JS bits (Chromium issue
+ 348856).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-11: Version 3.25.7
+
+ Promise.all and Promise.race should reject non-array parameter (Chromium
+ issue 347453).
+
+ Promise.all and Promise race should use "then" rather than "chain"
+ (Chromium issue 347427).
+
+ Merge the "Compute Minus Zero Checks" phase into the range analysis
+ (issue 3204).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-10: Version 3.25.6
+
+ Replace the recursion in PropagateMinusZeroChecks() with a loop and a
+ worklist (issue 3204).
+
+ Reland "Enable Object.observe by default" (issue 2409).
+
+ Enable Object.observe by default (issue 2409).
+
+ AllocationTracker now maintains a map from address range to stack trace
+ that allocated the range. When snapshot is generated the map is used to
+ find construction stack trace for an object using its address (Chromium
+ issue 277984).
+
+ Introduce Runtime_GetAllScopesDetails to get all scopes at once for a
+ frame (Chromium issue 340285).
+
+ Reduce heavy runtime calls from debug mirrors (Chromium issue 340285).
+
+ Check and clear date cache in DateCurrentTime, DateLocalTimezone and
+ getTimezoneOffset (Chromium issue 142141).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-06: Version 3.25.5
+
+ Fix HConstants with Smi-ranged HeapNumber values (Chromium issue
+ 349878).
+
+ Fix issues with JSON stringify replacer array (issues 3200, 3201).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-05: Version 3.25.4
+
+ x64: Fix LMathMinMax for constant Smi right-hand operands (Chromium
+ issue 349079).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-04: Version 3.25.3
+
+ Clear optimized code cache in shared function info when code gets
+ deoptimized (Chromium issue 343609).
+
+ Fixed constant folding for Math.clz32 (Chromium issue 347906).
+
+ Fix JSObject::PrintTransitions (Chromium issue 347912).
+
+ Fix handling of constant global variable assignments (Chromium issue
+ 347904).
+
+ Removed bogus ASSERT (Chromium issue 347542).
+
+ Mark HCompareMap as having Tagged representation (Chromium issue
+ 346636).
+
+ Fix crasher in Object.getOwnPropertySymbols (Chromium issue 346141).
+
+ Fix the bit massaging code in CompleteParserRecorder::WriteNumber
+ (Chromium issue 346221).
+
+ Don't eliminate loads with incompatible types or representations
+ (Chromium issue 346343).
+
+ Check that after a weak callback, the handle is either dead or strong
+ (Chromium issue 346061).
+
+ Lazy preparsing vs. lazy parsing fix (Chromium issue 346207).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-25: Version 3.25.2
+
+ Fix the bit massaging code in CompleteParserRecorder::WriteNumber
+ (Chromium issue 346221).
+
+ Revert r19455 "Load target types and handlers before IC computation."
+ (Chromium issue 346149).
+
+ Don't eliminate loads with incompatible types or representations
+ (Chromium issue 346343).
+
+ Fix for a smi stores optimization on x64 with a regression test
+ (Chromium issue 345715).
+
+ Check that after a weak callback, the handle is either dead or strong
+ (Chromium issue 346061).
+
+ negative bounds checking on realm calls (Chromium issue 344285).
+
+ Lazy preparsing vs. lazy parsing fix (Chromium issue 346207).
+
+ Fix optimistic BCE to back off after deopt (issue 3176).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-21: Version 3.25.1
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-19: Version 3.25.0
+
+ ES6: Tighten up Object.prototype.__proto__ (issue 3064).
+
+ Fix Hydrogen bounds check elimination (Chromium issue 344186).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-19: Version 3.24.40
+
+ A64: Let the MacroAssembler resolve branches to distant targets (issue
+ 3148).
+
+ Fixed and improved code for integral division. Fixed and extended tests
+ (issue 3151).
+
+ MIPS: Fix assignment of function name constant (issue 3138).
+
+ Fix assignment of function name constant (issue 3138).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-14: Version 3.24.39
+
+ Introduce --job-based-sweeping flag and use individual jobs for sweeping
+ if set (issue 3104).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-13: Version 3.24.38
+
+ Merge experimental/a64 to bleeding_edge (issue 3113).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-12: Version 3.24.37
+
+ Fix spec violations in JSON.stringify wrt replacer array (issue 3135).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-11: Version 3.24.36
+
+ Fix inconsistencies wrt whitespaces (issue 3109).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-10: Version 3.24.35
+
+ Fix inconsistencies wrt whitespaces (issue 3109).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-07: Version 3.24.34
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-06: Version 3.24.33
+
+ Allow externalizing strings in old pointer space (Chromium issue
+ 268686).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-05: Version 3.24.32
+
+ Add Box object to heap profiler.
+
+ Check the offset argument of TypedArray.set for fitting into Smi
+ (Chromium issue 340125).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-04: Version 3.24.31
+
+ Fix short-circuiting logical and/or in HOptimizedGraphBuilder (Chromium
+ issue 336148).
+
+ Elements field of newly allocated JSArray could be left uninitialized in
+ some cases (fast literal case) (Chromium issue 340124).
+
+ Re-enable escape analysis.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-03: Version 3.24.30
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-01: Version 3.24.29
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-31: Version 3.24.28
+
+ Don't crash in Array.join() if the resulting string exceeds the max
+ string length (Chromium issue 336820).
+
+ Implements ES6 String.prototype.normalize method (issue 2943).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-30: Version 3.24.27
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-29: Version 3.24.26
+
+ ES6: Map and Set needs to normalize minus zero (issue 3069).
+
+ Make `String.prototype.{starts,ends}With` throw when passing a regular
+ expression (issue 3070).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-28: Version 3.24.25
+
+ Performance and stability improvements on all platforms.
+
+
2014-01-27: Version 3.24.24
MIPS: Reduce the stack requirements of GetNoCodeAgeSequence (issue