Plug some memory leaks in parser tests.

test/cctest/test-parsing.cc

 // Copyright 2012 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 1030 matching lines @@
     // The end position of a token is one position after the last
     // character belonging to that token.
     CHECK_EQ(inner_scope->end_position(), kPrefixLen + kInnerLen);
   }
 }
 
 
 i::Handle<i::String> FormatMessage(i::ScriptDataImpl* data) {
   i::Isolate* isolate = i::Isolate::Current();
   i::Factory* factory = isolate->factory();
+  const char* message = data->BuildMessage();
   i::Handle<i::String> format = v8::Utils::OpenHandle(
-                                    *v8::String::New(data->BuildMessage()));
+                                    *v8::String::New(message));
   i::Vector<const char*> args = data->BuildArgs();
   i::Handle<i::JSArray> args_array = factory->NewJSArray(args.length());
   for (int i = 0; i < args.length(); i++) {
     i::JSArray::SetElement(args_array,
                            i,
                            v8::Utils::OpenHandle(*v8::String::New(args[i])),
                            NONE,
                            i::kNonStrictMode);
   }
   i::Handle<i::JSObject> builtins(isolate->js_builtins_object());
   i::Handle<i::Object> format_fun =
       i::GetProperty(builtins, "FormatMessage");
   i::Handle<i::Object> arg_handles[] = { format, args_array };
   bool has_exception = false;
   i::Handle<i::Object> result =
       i::Execution::Call(format_fun, builtins, 2, arg_handles, &has_exception);
   CHECK(!has_exception);
   CHECK(result->IsString());
+  for (int i = 0; i < args.length(); i++) {
+    i::DeleteArray(args[i]);
+  }
+  i::DeleteArray(args.start());
+  i::DeleteArray(message);
   return i::Handle<i::String>::cast(result);
 }
 
 
 enum ParserFlag {
   kAllowLazy,
   kAllowNativesSyntax,
   kAllowHarmonyScoping,
   kAllowModules,
   kAllowGenerators,
@@ skipping 191 matching lines @@
     for (int j = 0; statement_data[j] != NULL; ++j) {
       for (int k = 0; termination_data[k] != NULL; ++k) {
         int kPrefixLen = i::StrLength(context_data[i][0]);
         int kStatementLen = i::StrLength(statement_data[j]);
         int kTerminationLen = i::StrLength(termination_data[k]);
         int kSuffixLen = i::StrLength(context_data[i][1]);
         int kProgramSize = kPrefixLen + kStatementLen + kTerminationLen
             + kSuffixLen + i::StrLength("label: for (;;) {  }");
 
         // Plug the source code pieces together.
-        i::Vector<char> program = i::Vector<char>::New(kProgramSize + 1);
+        i::ScopedVector<char> program(kProgramSize + 1);
         int length = i::OS::SNPrintF(program,
             "label: for (;;) { %s%s%s%s }",
             context_data[i][0],
             statement_data[j],
             termination_data[k],
             context_data[i][1]);
         CHECK(length == kProgramSize);
         i::Handle<i::String> source =
             factory->NewStringFromAscii(i::CStrVector(program.start()));
         TestParserSync(source);
@@ skipping 18 matching lines @@
       "  b = function() {    \n"
       "    01;               \n"
       "  };                  \n"
       "};                    \n";
   v8::Script::Compile(v8::String::New(script));
   CHECK(try_catch.HasCaught());
   v8::String::Utf8Value exception(try_catch.Exception());
   CHECK_EQ("SyntaxError: Octal literals are not allowed in strict mode.",
            *exception);
 }