Sync preparser and parser wrt syntax error in switch..case.

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 1129 matching lines @@
     { "{", "}" },
     { "if (true) ", " else {}" },
     { "if (true) {} else ", "" },
     { "if (true) ", "" },
     { "do ", " while (false)" },
     { "while (false) ", "" },
     { "for (;;) ", "" },
     { "with ({})", "" },
     { "switch (12) { case 12: ", "}" },
     { "switch (12) { default: ", "}" },
+    { "switch (12) { ", "case 12: }" },
     { "label2: ", "" },
     { NULL, NULL }
   };
 
   const char* statement_data[] = {
     "{}",
     "var x",
     "var x = 1",
     "const x",
     "const x = 1",
@@ skipping 92 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);
 }