Ship ES2015 sloppy-mode const semantics

test/cctest/test-decls.cc

 // Copyright 2007-2008 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
@@ skipping 209 matching lines @@
 
 
 v8::Local<Integer> DeclarationContext::Query(Local<Name> key) {
   return v8::Local<Integer>();
 }
 
 
 // Test global declaration of a property the interceptor doesn't know
 // about and doesn't handle.
 TEST(Unknown) {
+  i::FLAG_legacy_const = true;
   HandleScope scope(CcTest::isolate());
   v8::V8::Initialize();
 
   { DeclarationContext context;
     context.Check("var x; x",
                   1,  // access
                   0, 0, EXPECT_RESULT, Undefined(CcTest::isolate()));
   }
 
   { DeclarationContext context;
@@ skipping 29 matching lines @@
 
 class AbsentPropertyContext: public DeclarationContext {
  protected:
   virtual v8::Local<Integer> Query(Local<Name> key) {
     return v8::Local<Integer>();
   }
 };
 
 
 TEST(Absent) {
+  i::FLAG_legacy_const = true;
   v8::Isolate* isolate = CcTest::isolate();
   v8::V8::Initialize();
   HandleScope scope(isolate);
 
   { AbsentPropertyContext context;
     context.Check("var x; x",
                   1,  // access
                   0, 0, EXPECT_RESULT, Undefined(isolate));
   }
 
@@ skipping 63 matching lines @@
     // Do the lookup in the object.
     return v8::Local<Integer>();
   }
 
  private:
   State state_;
 };
 
 
 TEST(Appearing) {
+  i::FLAG_legacy_const = true;
   v8::V8::Initialize();
   HandleScope scope(CcTest::isolate());
 
   { AppearingPropertyContext context;
     context.Check("var x; x",
                   1,  // access
                   0, 0, EXPECT_RESULT, Undefined(CcTest::isolate()));
   }
 
   { AppearingPropertyContext context;
@@ skipping 36 matching lines @@
   }
 
   // Use the prototype as the holder for the interceptors.
   virtual Local<ObjectTemplate> GetHolder(Local<FunctionTemplate> function) {
     return function->PrototypeTemplate();
   }
 };
 
 
 TEST(ExistsInPrototype) {
+  i::FLAG_legacy_const = true;
   HandleScope scope(CcTest::isolate());
 
   // Sanity check to make sure that the holder of the interceptor
   // really is the prototype object.
   { ExistsInPrototypeContext context;
     context.Check("this.x = 87; this.x", 0, 0, 1, EXPECT_RESULT,
                   Number::New(CcTest::isolate(), 87));
   }
 
   { ExistsInPrototypeContext context;
@@ skipping 89 matching lines @@
   virtual Local<ObjectTemplate> GetHolder(Local<FunctionTemplate> function) {
     return hidden_proto_->InstanceTemplate();
   }
 
  private:
   Local<FunctionTemplate> hidden_proto_;
 };
 
 
 TEST(ExistsInHiddenPrototype) {
+  i::FLAG_legacy_const = true;
   HandleScope scope(CcTest::isolate());
 
   { ExistsInHiddenPrototypeContext context;
     context.Check("var x; x", 0, 0, 0, EXPECT_RESULT,
                   Undefined(CcTest::isolate()));
   }
 
   { ExistsInHiddenPrototypeContext context;
     context.Check("var x = 0; x", 0, 0, 0, EXPECT_RESULT,
                   Number::New(CcTest::isolate(), 0));
@@ skipping 63 matching lines @@
     }
   }
 
  private:
   HandleScope handle_scope_;
   Local<Context> context_;
 };
 
 
 TEST(CrossScriptReferences) {
+  i::FLAG_legacy_const = true;
   v8::Isolate* isolate = CcTest::isolate();
   HandleScope scope(isolate);
 
   { SimpleContext context;
     context.Check("var x = 1; x",
                   EXPECT_RESULT, Number::New(isolate, 1));
     context.Check("var x = 2; x",
                   EXPECT_RESULT, Number::New(isolate, 2));
     context.Check("const x = 3; x", EXPECT_EXCEPTION);
     context.Check("const x = 4; x", EXPECT_EXCEPTION);
@@ skipping 638 matching lines @@
                   Undefined(CcTest::isolate()));
     for (int i = 0; i < 4; i++) {
       context.Check("f()", EXPECT_EXCEPTION);
     }
     context.Check("%OptimizeFunctionOnNextCall(f);", EXPECT_RESULT,
                   Undefined(CcTest::isolate()));
 
     context.Check("'use strict'; f(); let x = 2; x", EXPECT_EXCEPTION);
   }
 }