Revert r12258, r12300 and r12302 (global regexp).

test/cctest/test-regexp.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 249 matching lines @@
   CHECK_PARSE_EQ("[\\111]", "[I]");
   CHECK_PARSE_EQ("[\\1111]", "[I 1]");
   CHECK_PARSE_EQ("\\x34", "'\x34'");
   CHECK_PARSE_EQ("\\x60", "'\x60'");
   CHECK_PARSE_EQ("\\x3z", "'x3z'");
   CHECK_PARSE_EQ("\\c", "'\\c'");
   CHECK_PARSE_EQ("\\u0034", "'\x34'");
   CHECK_PARSE_EQ("\\u003z", "'u003z'");
   CHECK_PARSE_EQ("foo[z]*", "(: 'foo' (# 0 - g [z]))");
 
-  CHECK_SIMPLE("", false);
   CHECK_SIMPLE("a", true);
   CHECK_SIMPLE("a|b", false);
   CHECK_SIMPLE("a\\n", false);
   CHECK_SIMPLE("^a", false);
   CHECK_SIMPLE("a$", false);
   CHECK_SIMPLE("a\\b!", false);
   CHECK_SIMPLE("a\\Bb", false);
   CHECK_SIMPLE("a*", false);
   CHECK_SIMPLE("a*?", false);
   CHECK_SIMPLE("a?", false);
@@ skipping 1062 matching lines @@
 
   isolate->clear_pending_exception();
 }
 
 #else  // V8_INTERPRETED_REGEXP
 
 TEST(MacroAssembler) {
   V8::Initialize(NULL);
   byte codes[1024];
   RegExpMacroAssemblerIrregexp m(Vector<byte>(codes, 1024),
-                                 Isolate::Current()->runtime_zone());
+                                 Isolate::Current()->zone());
   // ^f(o)o.
   Label fail, fail2, start;
   uc16 foo_chars[3];
   foo_chars[0] = 'f';
   foo_chars[1] = 'o';
   foo_chars[2] = 'o';
   Vector<const uc16> foo(foo_chars, 3);
   m.SetRegister(4, 42);
   m.PushRegister(4, RegExpMacroAssembler::kNoStackLimitCheck);
   m.AdvanceRegister(4, 42);
@@ skipping 438 matching lines @@
   ZoneList<CharacterRange> first_only(4, Isolate::Current()->runtime_zone());
   ZoneList<CharacterRange> second_only(4, Isolate::Current()->runtime_zone());
   ZoneList<CharacterRange> both(4, Isolate::Current()->runtime_zone());
 }
 
 
 TEST(Graph) {
   V8::Initialize(NULL);
   Execute("\\b\\w+\\b", false, true, true);
 }