Fix lost arguments dropping in HLeaveInlined.

src/x64/lithium-x64.cc

 // 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
@@ skipping 2110 matching lines @@
 
 LInstruction* LChunkBuilder::DoDeleteProperty(HDeleteProperty* instr) {
   LOperand* object = UseAtStart(instr->object());
   LOperand* key = UseOrConstantAtStart(instr->key());
   LDeleteProperty* result = new(zone()) LDeleteProperty(object, key);
   return MarkAsCall(DefineFixed(result, rax), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) {
+  ASSERT(argument_count_ == 0);
   allocator_->MarkAsOsrEntry();
   current_block_->last_environment()->set_ast_id(instr->ast_id());
   return AssignEnvironment(new(zone()) LOsrEntry);
 }
 
 
 LInstruction* LChunkBuilder::DoParameter(HParameter* instr) {
   int spill_index = chunk()->GetParameterStackSlot(instr->index());
   return DefineAsSpilled(new(zone()) LParameter, spill_index);
 }
@@ skipping 119 matching lines @@
   chunk_->AddInlinedClosure(instr->closure());
   return NULL;
 }
 
 
 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) {
   LInstruction* pop = NULL;
 
   HEnvironment* env = current_block_->last_environment();
 
-  if (instr->arguments_pushed()) {
+  if (env->entry()->arguments_pushed()) {
     int argument_count = env->arguments_environment()->parameter_count();
     pop = new(zone()) LDrop(argument_count);
     argument_count_ -= argument_count;
   }
 
   HEnvironment* outer = current_block_->last_environment()->
       DiscardInlined(false);
   current_block_->UpdateEnvironment(outer);
 
   return pop;
@@ skipping 32 matching lines @@
 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
   LOperand* object = UseRegister(instr->object());
   LOperand* index = UseTempRegister(instr->index());
   return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64