* Irregexp-ia32: Grow stack larger if necessary.

src/regexp-stack.h

 // Copyright 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 61 matching lines @@
   static char* RestoreStack(char* from);
 
  private:
   // Artificial limit used when no memory has been allocated.
   static const uint32_t kMemoryTop = 0xffffffff;
 
   // Minimal size of allocated stack area.
   static const size_t kMinimumStackSize = 1 * KB;
 
   // Maximal size of allocated stack area.
-  static const size_t kMaximumStackSize = 256 * KB;
+  static const size_t kMaximumStackSize = 64 * MB;
 
   // Structure holding the allocated memory, size and limit.
   struct ThreadLocal {
     ThreadLocal()
         : memory_(NULL),
           memory_size_(0),
           limit_(reinterpret_cast<Address>(kMemoryTop)) {}
     // If memory_size_ > 0 then memory_ must be non-NULL.
     Address memory_;
     size_t memory_size_;
     Address limit_;
   };
 
   // Resets the buffer if it has grown beyond the default/minimum size.
   // After this, the buffer is either the default size, or it is empty, so
   // you have to call EnsureCapacity before using it again.
   static void Reset();
 
   static ThreadLocal thread_local_;
 };
 
 }}  // namespace v8::internal
 
 #endif /* REGEXP_STACK_H_ */