Ship ES2015 sloppy-mode const semantics

test/cctest/compiler/test-run-variables.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "test/cctest/compiler/function-tester.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
@@ skipping 30 matching lines @@
 
 static const char* bind_tests[] = {
     "if (a) { const x = a }; r = x;",            "123", "undefined",
     "for (; a > 0; a--) { const x = a }; r = x", "123", "undefined",
     // Re-initialization of variables other than legacy 'const' is not
     // possible due to sane variable scoping, hence no tests here.
     NULL};
 
 
 static void RunVariableTests(const char* source, const char* tests[]) {
+  i::FLAG_legacy_const = true;
   EmbeddedVector<char, 512> buffer;
 
   for (int i = 0; tests[i] != NULL; i += 3) {
     SNPrintF(buffer, source, tests[i]);
     PrintF("#%d: %s\n", i / 3, buffer.start());
     FunctionTester T(buffer.start());
 
     // Check function with non-falsey parameter.
     if (tests[i + 1] != throws) {
       Handle<Object> r = v8::Utils::OpenHandle(*CompileRun(tests[i + 1]));
@@ skipping 53 matching lines @@
   FunctionTester T("(function self() { return self; })");
 
   T.CheckCall(T.function);
   CompileRun("var self = 'not a function'");
   T.CheckCall(T.function);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8