Add missing SMI checks to fix reliability bots

src/ia32/stub-cache-ia32.cc

Index: src/ia32/stub-cache-ia32.cc
diff --git a/src/ia32/stub-cache-ia32.cc b/src/ia32/stub-cache-ia32.cc
index c9c22d2008553c5ae8cf1856824bd9bd98d86558..d5c432af80fae72c4688eac6519c2968c63dd40d 100644
--- a/src/ia32/stub-cache-ia32.cc
+++ b/src/ia32/stub-cache-ia32.cc
@@ -2671,6 +2671,9 @@ MaybeObject* KeyedStoreStubCompiler::CompileStoreFastElement(
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
+  Label miss;
+  __ JumpIfSmi(edx, &miss);
+
   bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE;
   MaybeObject* maybe_stub =
       KeyedStoreFastElementStub(is_js_array).TryGetCode();
@@ -2681,6 +2684,7 @@ MaybeObject* KeyedStoreStubCompiler::CompileStoreFastElement(
                  Handle<Code>(stub),
                  DO_SMI_CHECK);
 
+  __ bind(&miss);
   Handle<Code> ic = isolate()->builtins()->KeyedStoreIC_Miss();
   __ jmp(ic, RelocInfo::CODE_TARGET);
 
@@ -3133,6 +3137,9 @@ MaybeObject* KeyedLoadStubCompiler::CompileLoadFastElement(Map* receiver_map) {
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
+  Label miss;
+  __ JumpIfSmi(edx, &miss);
+
   MaybeObject* maybe_stub = KeyedLoadFastElementStub().TryGetCode();
   Code* stub;
   if (!maybe_stub->To(&stub)) return maybe_stub;
@@ -3141,6 +3148,7 @@ MaybeObject* KeyedLoadStubCompiler::CompileLoadFastElement(Map* receiver_map) {
                  Handle<Code>(stub),
                  DO_SMI_CHECK);
 
+  __ bind(&miss);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.