Update cxx_dr_status to cover dr1748 and add test.

llvm-svn: 229229

diff --git a/clang/test/CXX/drs/dr1748.cpp b/clang/test/CXX/drs/dr1748.cpp
new file mode 100644 (file)
index 0000000..7e04f40
--- /dev/null
+++ b/clang/test/CXX/drs/dr1748.cpp
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 -std=c++98 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | FileCheck %s
+// RUN: %clang_cc1 -std=c++11 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | FileCheck %s
+// RUN: %clang_cc1 -std=c++14 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | FileCheck %s
+// RUN: %clang_cc1 -std=c++1z %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | FileCheck %s
+
+// dr1748: 3.7
+
+// FIXME: __SIZE_TYPE__ expands to 'long long' on some targets.
+__extension__ typedef __SIZE_TYPE__ size_t;
+
+void *operator new(size_t, void *);
+void *operator new[](size_t, void *);
+
+struct X { X(); };
+
+// The reserved placement allocation functions get inlined
+// even if we can't see their definitions. They do not
+// perform a null check.
+
+// CHECK-LABEL: define {{.*}} @_Z1fPv(
+// CHECK-NOT: call
+// CHECK-NOT: icmp{{.*}} null
+// CHECK-NOT: br i1
+// CHECK: call void @_ZN1XC1Ev(
+// CHECK: }
+X *f(void *p) { return new (p) X; }
+
+// CHECK-LABEL: define {{.*}} @_Z1gPv(
+// CHECK-NOT: call
+// CHECK-NOT: icmp{{.*}} null
+// CHECK-NOT: br i1
+// CHECK: call void @_ZN1XC1Ev(
+// CHECK: br i1
+// CHECK: }
+X *g(void *p) { return new (p) X[5]; }

diff --git a/clang/www/cxx_dr_status.html b/clang/www/cxx_dr_status.html
index 03afa35..58450c0 100644 (file)
--- a/clang/www/cxx_dr_status.html
+++ b/clang/www/cxx_dr_status.html
@@ -10303,7 +10303,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1748">1748</a></td>
     <td>DR</td>
     <td>Placement new with a null pointer</td>
-    <td class="none" align="center">Unknown</td>
+    <td class="svn" align="center">SVN</td>
   </tr>
   <tr id="1749">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#1749">1749</a></td>