X64: Turn of gcc strict-aliasing optimization for X64 release.

Review URL: http://codereview.chromium.org/155208

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2388 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

SConstruct

@@ -172,6 +172,7 @@ LIBRARY_FLAGS = {
       'CPPDEFINES':   ['V8_TARGET_ARCH_ARM']
     },
     'arch:x64': {
+      'CCFLAGS':      ['-fno-strict-aliasing'],
       'CPPDEFINES':   ['V8_TARGET_ARCH_X64']
     },
     'prof:oprofile': {

src/compilation-cache.cc

@@ -281,6 +281,7 @@ void CompilationCacheScript::Put(Handle<String> source,
   HandleScope scope;
   ASSERT(boilerplate->IsBoilerplate());
   Handle<CompilationCacheTable> table = GetTable(0);
+  // TODO(X64): -fstrict-aliasing causes a problem with table.  Fix it.
   CALL_HEAP_FUNCTION_VOID(table->Put(*source, *boilerplate));
 }