Array constructor can be simplified by loading context from JSFunction.

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index ce7fc9f692484c470878ad98df8d01ebbbfc762e..933cf43b10d165b7e92636cf0412cb93d0c19ac1 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -5732,9 +5732,7 @@ template<class T>
 static void CreateArrayDispatch(MacroAssembler* masm,
                                 AllocationSiteOverrideMode mode) {
   if (mode == DISABLE_ALLOCATION_SITES) {
-    T stub(GetInitialFastElementsKind(),
-           CONTEXT_CHECK_REQUIRED,
-           mode);
+    T stub(GetInitialFastElementsKind(), mode);
     __ TailCallStub(&stub);
   } else if (mode == DONT_OVERRIDE) {
     int last_index = GetSequenceIndexFromFastElementsKind(
@@ -5783,13 +5781,11 @@ 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) {
@@ -5840,7 +5836,7 @@ 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);
     }
   }