Remove support for legacy const, part 1

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 {
 
 static const char* throws = NULL;
 
 static const char* load_tests[] = {
     "var x = a; r = x",                       "123",       "0",
     "var x = (r = x)",                        "undefined", "undefined",
     "var x = (a?1:2); r = x",                 "1",         "2",
     "const x = a; r = x",                     "123",       "0",
-    "const x = (r = x)",                      "undefined", "undefined",
     "const x = (a?3:4); r = x",               "3",         "4",
     "'use strict'; const x = a; r = x",       "123",       "0",
     "'use strict'; const x = (r = x)",        throws,      throws,
     "'use strict'; const x = (a?5:6); r = x", "5",         "6",
     "'use strict'; let x = a; r = x",         "123",       "0",
     "'use strict'; let x = (r = x)",          throws,      throws,
     "'use strict'; let x = (a?7:8); r = x",   "7",         "8",
     NULL};
 
 static const char* store_tests[] = {
     "var x = 1; x = a; r = x",                     "123",  "0",
     "var x = (a?(x=4,2):3); r = x",                "2",    "3",
     "var x = (a?4:5); x = a; r = x",               "123",  "0",
-    "const x = 1; x = a; r = x",                   "1",    "1",
-    "const x = (a?(x=4,2):3); r = x",              "2",    "3",
-    "const x = (a?4:5); x = a; r = x",             "4",    "5",
     // Assignments to 'const' are SyntaxErrors, handled by the parser,
     // hence we cannot test them here because they are early errors.
     "'use strict'; let x = 1; x = a; r = x",       "123",  "0",
     "'use strict'; let x = (a?(x=4,2):3); r = x",  throws, "3",
     "'use strict'; let x = (a?4:5); x = a; r = x", "123",  "0",
     NULL};
 
-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 30 matching lines @@
   RunVariableTests(source, store_tests);
 }
 
 
 TEST(ContextStoreVariables) {
   const char* source = "(function(a,r) { %s; function f() {x} return r; })";
   RunVariableTests(source, store_tests);
 }
 
 
-TEST(StackInitializeVariables) {
-  const char* source = "(function(a,r) { %s; return r; })";
-  RunVariableTests(source, bind_tests);
-}
-
-
-TEST(ContextInitializeVariables) {
-  const char* source = "(function(a,r) { %s; function f() {x} return r; })";
-  RunVariableTests(source, bind_tests);
-}
-
-
 TEST(SelfReferenceVariable) {
   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