Array constructor can be simplified by loading context from JSFunction.

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 86f2b159a22f497562f92a0ec15105285749b113..c76d60715472bc0e08cb8ba719d3c87d7a633c98 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -5409,7 +5409,6 @@ static void CreateArrayDispatch(MacroAssembler* masm,
                                 AllocationSiteOverrideMode mode) {
   if (mode == DISABLE_ALLOCATION_SITES) {
     T stub(GetInitialFastElementsKind(),
-           CONTEXT_CHECK_REQUIRED,
            mode);
     __ TailCallStub(&stub);
   } else if (mode == DONT_OVERRIDE) {
@@ -5465,13 +5464,11 @@ static void CreateArrayDispatchOneArgument(MacroAssembler* masm,
     ElementsKind holey_initial = GetHoleyElementsKind(initial);
 
     ArraySingleArgumentConstructorStub stub_holey(holey_initial,
-                                                  CONTEXT_CHECK_REQUIRED,
                                                   DISABLE_ALLOCATION_SITES);
     __ TailCallStub(&stub_holey);
 
     __ bind(&normal_sequence);
     ArraySingleArgumentConstructorStub stub(initial,
-                                            CONTEXT_CHECK_REQUIRED,
                                             DISABLE_ALLOCATION_SITES);
     __ TailCallStub(&stub);
   } else if (mode == DONT_OVERRIDE) {
@@ -5523,7 +5520,7 @@ static void ArrayConstructorStubAheadOfTimeHelper(Isolate* isolate) {
     T stub(kind);
     stub.GetCode(isolate);
     if (AllocationSite::GetMode(kind) != DONT_TRACK_ALLOCATION_SITE) {
-      T stub1(kind, CONTEXT_CHECK_REQUIRED, DISABLE_ALLOCATION_SITES);
+      T stub1(kind, DISABLE_ALLOCATION_SITES);
       stub1.GetCode(isolate);
     }
   }