Fix a bug in Lithium environment iteration.

src/ia32/lithium-ia32.cc

 // Copyright 2011 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 60 matching lines @@
 
 #ifdef DEBUG
 void LInstruction::VerifyCall() {
   // Call instructions can use only fixed registers as temporaries and
   // outputs because all registers are blocked by the calling convention.
   // Inputs operands must use a fixed register or use-at-start policy or
   // a non-register policy.
   ASSERT(Output() == NULL ||
          LUnallocated::cast(Output())->HasFixedPolicy() ||
          !LUnallocated::cast(Output())->HasRegisterPolicy());
-  for (UseIterator it(this); it.HasNext(); it.Advance()) {
-    LUnallocated* operand = LUnallocated::cast(it.Next());
+  for (UseIterator it(this); !it.Done(); it.Advance()) {
+    LUnallocated* operand = LUnallocated::cast(it.Current());
     ASSERT(operand->HasFixedPolicy() ||
            operand->IsUsedAtStart());
   }
-  for (TempIterator it(this); it.HasNext(); it.Advance()) {
-    LUnallocated* operand = LUnallocated::cast(it.Next());
+  for (TempIterator it(this); !it.Done(); it.Advance()) {
+    LUnallocated* operand = LUnallocated::cast(it.Current());
     ASSERT(operand->HasFixedPolicy() ||!operand->HasRegisterPolicy());
   }
 }
 #endif
 
 
 void LInstruction::PrintTo(StringStream* stream) {
   stream->Add("%s ", this->Mnemonic());
 
   PrintOutputOperandTo(stream);
@@ skipping 2193 matching lines @@
   LOperand* key = UseOrConstantAtStart(instr->key());
   LOperand* object = UseOrConstantAtStart(instr->object());
   LIn* result = new LIn(key, object);
   return MarkAsCall(DefineFixed(result, eax), instr);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32