Replace ICStub for array.length with hydrogen stub

src/ia32/code-stubs-ia32.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 3267 matching lines @@
     __ movdbl(double_result, Operand(esp, 0));
     __ add(esp, Immediate(kDoubleSize));
 
     __ bind(&done);
     __ IncrementCounter(counters->math_pow(), 1);
     __ ret(0);
   }
 }
 
 
-void ArrayLengthStub::Generate(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- ecx    : name
-  //  -- edx    : receiver
-  //  -- esp[0] : return address
-  // -----------------------------------
-  Label miss;
-
-  if (kind() == Code::KEYED_LOAD_IC) {
-    __ cmp(ecx, Immediate(masm->isolate()->factory()->length_string()));
-    __ j(not_equal, &miss);
-  }
-
-  StubCompiler::GenerateLoadArrayLength(masm, edx, eax, &miss);
-  __ bind(&miss);
-  StubCompiler::TailCallBuiltin(masm, StubCompiler::MissBuiltin(kind()));
-}
-
-
 void FunctionPrototypeStub::Generate(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- ecx    : name
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
 
   if (kind() == Code::KEYED_LOAD_IC) {
     __ cmp(ecx, Immediate(masm->isolate()->factory()->prototype_string()));
@@ skipping 4543 matching lines @@
   // Restore ecx.
   __ pop(ecx);
   __ ret(0);
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32