[runtime] Introduce FastNewStrictArgumentsStub to optimize strict arguments.

src/ia32/builtins-ia32.cc

Index: src/ia32/builtins-ia32.cc
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index f70a0643305fb73e9373c60708f7ed2937b4bea0..1715ac156291f14d4e3d03c57872e2b169d29faf 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -1866,9 +1866,7 @@ void Builtins::Generate_Apply(MacroAssembler* masm) {
 
     // Try to create the list from an arguments object.
     __ bind(&create_arguments);
-    __ mov(ebx,
-           FieldOperand(eax, JSObject::kHeaderSize +
-                                 Heap::kArgumentsLengthIndex * kPointerSize));
+    __ mov(ebx, FieldOperand(eax, JSArgumentsObject::kLengthOffset));
     __ mov(ecx, FieldOperand(eax, JSObject::kElementsOffset));
     __ cmp(ebx, FieldOperand(ecx, FixedArray::kLengthOffset));
     __ j(not_equal, &create_runtime);