Fix overflow in failure "requested size" field.

src/string-stream.h

 // Copyright 2006-2008 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 87 matching lines @@
   enum Type { INT, DOUBLE, C_STR, LC_STR, OBJ, HANDLE, POINTER };
   Type type_;
   union {
     int u_int_;
     double u_double_;
     const char* u_c_str_;
     const Vector<const uc16>* u_lc_str_;
     Object* u_obj_;
     Object** u_handle_;
     void* u_pointer_;
+    int64_t u_long_;

[Kevin Millikin (Chromium), 2009/10/14 08:17:06]

Why this change?  Doesn't it need a corresponding change to the Type enum and
some other places to actually work?

[Lasse Reichstein, 2009/10/14 08:49:52]

Well spotted. I started adding a long type, but dropped it again. This line
should be removed as well.

   } data_;
 };
 
 
 class StringStream {
  public:
   explicit StringStream(StringAllocator* allocator):
     allocator_(allocator),
     capacity_(kInitialCapacity),
     length_(0),
@@ skipping 62 matching lines @@
   bool full() const { return (capacity_ - length_) == 1; }
   int space() const { return capacity_ - length_; }
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(StringStream);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_STRING_STREAM_H_