Undo allocation of half-formed array during elements transition

src/ia32/builtins-ia32.cc

-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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
 //       with the distribution.
@@ skipping 1278 matching lines @@
   __ mov(ecx, Operand(esp, last_arg_offset - kPointerSize));
   __ pop(eax);
   __ pop(ebx);
   __ lea(esp, Operand(esp, ebx, times_pointer_size,
                       last_arg_offset - kPointerSize));
   __ jmp(ecx);
 
   __ bind(&has_non_smi_element);
   // Throw away the array that's only been partially constructed.
   __ pop(eax);
+  __ UndoAllocationInNewSpace(eax);
 
   // Restore argc and constructor before running the generic code.
   __ bind(&prepare_generic_code_call);
   __ pop(eax);
   if (construct_call) {
     __ pop(edi);
   }
   __ jmp(call_generic_code);
 }
 
@@ skipping 413 matching lines @@
   Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR);
   generator.Generate();
 }
 
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32