AddInstruction(new(zone) HConstant(i, Representation::Integer32()));
HInstruction* value_instruction =
AddInstruction(new(zone) HLoadKeyed(
- boilerplate_elements, key_constant, NULL, kind));
- AddInstruction(new(zone) HStoreKeyed(
+ boilerplate_elements, key_constant, NULL, kind,
+ ALLOW_RETURN_HOLE));
+ HInstruction* store = AddInstruction(new(zone) HStoreKeyed(
object_elements, key_constant, value_instruction, kind));
+ store->ClearFlag(HValue::kDeoptimizeOnUndefined);
}
} else if (elements->IsFixedArray()) {
Handle<FixedArray> fast_elements = Handle<FixedArray>::cast(elements);
} else {
HInstruction* value_instruction =
AddInstruction(new(zone) HLoadKeyed(
- boilerplate_elements, key_constant, NULL, kind));
+ boilerplate_elements, key_constant, NULL, kind,
+ ALLOW_RETURN_HOLE));
AddInstruction(new(zone) HStoreKeyed(
object_elements, key_constant, value_instruction, kind));
}
--- /dev/null
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax --expose-gc --gc-global
+
+function f() {
+ return [,{}];
+}
+
+assertEquals([,{}], f());
+assertEquals([,{}], f());
+%OptimizeFunctionOnNextCall(f);
+assertEquals([,{}], f());
+gc();
+
+function g() {
+ return [[,1.5],{}];
+}
+
+assertEquals([[,1.5],{}], g());
+assertEquals([[,1.5],{}], g());
+%OptimizeFunctionOnNextCall(g);
+assertEquals([[,1.5],{}], g());
+gc();