Proper string comparison.

runtime/vm/object.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "vm/assembler.h"
 #include "vm/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
@@ skipping 5342 matching lines @@
       // Lengths don't match.
       return false;
     }
     int32_t ch;
     intptr_t consumed = Utf8::Decode(str, &ch);
     if (consumed == 0 || this->CharAt(i) != ch) {
       return false;
     }
     str += consumed;
   }
-  return true;
+  return *str == '\0';
 }
 
 
 bool String::Equals(const uint8_t* characters, intptr_t len) const {
   if (len != this->Length()) {
     // Lengths don't match.
     return false;
   }
 
   for (intptr_t i = 0; i < len; i++) {
@@ skipping 1419 matching lines @@
   const String& str = String::Handle(pattern());
   const char* format = "JSRegExp: pattern=%s flags=%s";
   intptr_t len = OS::SNPrint(NULL, 0, format, str.ToCString(), Flags());
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len + 1));
   OS::SNPrint(chars, (len + 1), format, str.ToCString(), Flags());
   return chars;
 }
 
 }  // namespace dart