Made Date parser work on flat strings instead of arbitrary ones.

src/runtime.cc

 // Copyright 2006-2009 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 4466 matching lines @@
 }
 
 
 static Object* Runtime_DateParseString(Arguments args) {
   HandleScope scope;
   ASSERT(args.length() == 1);
 
   CONVERT_CHECKED(String, string_object, args[0]);
 
   Handle<String> str(string_object);
+  FlattenString(str);
   Handle<FixedArray> output = Factory::NewFixedArray(DateParser::OUTPUT_SIZE);
-  if (DateParser::Parse(*str, *output)) {
+  bool result;
+  {
+    AssertNoAllocation no_allocation;
+    if (StringShape(*str).IsAsciiRepresentation()) {
+      result = DateParser::Parse(str->ToAsciiVector(), *output);
+    } else {
+      ASSERT(StringShape(*str).IsTwoByteRepresentation());
+      result = DateParser::Parse(str->ToUC16Vector(), *output);
+    }
+  }
+  if (result) {
     return *Factory::NewJSArrayWithElements(output);
   } else {
     return *Factory::null_value();
   }
 }
 
 
 static Object* Runtime_DateLocalTimezone(Arguments args) {
   NoHandleAllocation ha;
   ASSERT(args.length() == 1);
@@ skipping 2141 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     Counters::gc_last_resort_from_js.Increment();
     Heap::CollectAllGarbage();
   }
 }
 
 
 } }  // namespace v8::internal