HydrogenCodeStubs consume stack arguments via descriptor.

src/ia32/code-stubs-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 19 matching lines @@
   // edi -- function
   // ebx -- allocation site with elements kind
   Address deopt_handler = Runtime::FunctionForId(
       Runtime::kArrayConstructor)->entry;
 
   if (constant_stack_parameter_count == 0) {
     descriptor->Initialize(deopt_handler, constant_stack_parameter_count,
                            JS_FUNCTION_STUB_MODE);
   } else {
     descriptor->Initialize(eax, deopt_handler, constant_stack_parameter_count,
-                           JS_FUNCTION_STUB_MODE, PASS_ARGUMENTS);
+                           JS_FUNCTION_STUB_MODE);
   }
 }
 
 
 static void InitializeInternalArrayConstructorDescriptor(
     Isolate* isolate, CodeStubDescriptor* descriptor,
     int constant_stack_parameter_count) {
   // register state
   // eax -- number of arguments
   // edi -- constructor function
   Address deopt_handler = Runtime::FunctionForId(
       Runtime::kInternalArrayConstructor)->entry;
 
   if (constant_stack_parameter_count == 0) {
     descriptor->Initialize(deopt_handler, constant_stack_parameter_count,
                            JS_FUNCTION_STUB_MODE);
   } else {
     descriptor->Initialize(eax, deopt_handler, constant_stack_parameter_count,
-                           JS_FUNCTION_STUB_MODE, PASS_ARGUMENTS);
+                           JS_FUNCTION_STUB_MODE);
   }
 }
 
 
 void ArrayNoArgumentConstructorStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   InitializeArrayConstructorDescriptor(isolate(), descriptor, 0);
 }
 
 
@@ skipping 5434 matching lines @@
                            Operand(ebp, 7 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32