Bug 799849: Wrap nothrow libstdc++ allocators. r=glandium a=blocking-basecamp

configure.in

@@ -7153,6 +7153,8 @@ if test -n "$_WRAP_MALLOC"; then
         dnl Wrap operator new and operator delete on Android.
         if test "$OS_TARGET" = "Android"; then
             WRAP_LDFLAGS="${WRAP_LDFLAGS} -Wl,--wrap=_Znwj,--wrap=_Znaj,--wrap=_ZdlPv,--wrap=_ZdaPv"
+            dnl Wrap the nothrow variants too.
+            WRAP_LDFLAGS="${WRAP_LDFLAGS} -Wl,--wrap=_ZnwjRKSt9nothrow_t,--wrap=_ZnajRKSt9nothrow_t,--wrap=_ZdlPvRKSt9nothrow_t,--wrap=_ZdaPvRKSt9nothrow_t"
         fi
     else
         AC_MSG_ERROR([--enable-wrap-malloc is not supported for non-GNU toolchains])

memory/build/extraMallocFuncs.c

@@ -43,6 +43,30 @@ wrap(_ZdaPv)(void *ptr)
 {
   wrap(free)(ptr);
 }
+/*operator new(unsigned int, std::nothrow_t const&)*/
+MOZ_EXPORT_API(void *)
+wrap(_ZnwjRKSt9nothrow_t)(unsigned int size)
+{
+  return wrap(malloc)(size);
+}
+/*operator new[](unsigned int, std::nothrow_t const&)*/
+MOZ_EXPORT_API(void *)
+wrap(_ZnajRKSt9nothrow_t)(unsigned int size)
+{
+  return wrap(malloc)(size);
+}
+/* operator delete(void*, std::nothrow_t const&) */
+MOZ_EXPORT_API(void)
+wrap(_ZdlPvRKSt9nothrow_t)(void *ptr)
+{
+  wrap(free)(ptr);
+}
+/* operator delete[](void*, std::nothrow_t const&) */
+MOZ_EXPORT_API(void)
+wrap(_ZdaPvRKSt9nothrow_t)(void *ptr)
+{
+  wrap(free)(ptr);
+}
 #endif
 
 #ifdef wrap