[ic] Fix StoreIC_SlowSloppy/Strict builtins.

src/ic/ic.h

 // 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.
 
 #ifndef V8_IC_H_
 #define V8_IC_H_
 
 #include "src/ic/ic-state.h"
 #include "src/macro-assembler.h"
 #include "src/messages.h"
@@ skipping 362 matching lines @@
           JSReceiver::CERTAINLY_NOT_STORE_FROM_KEYED);
 
   bool LookupForWrite(LookupIterator* it, Handle<Object> value,
                       JSReceiver::StoreFromKeyed store_mode);
 
   static void Clear(Isolate* isolate, Code* host, StoreICNexus* nexus);
 
  protected:
   // Stub accessors.
   Handle<Code> slow_stub() const {
-    // TODO(ishell): don't hard-code language mode into the handler because
-    // this handler can be re-used through megamorphic stub cache for wrong
-    // language mode.
-    // The slow stub must decode the language mode from the IC kind.
-    switch (language_mode()) {
-      case SLOPPY:
-        return isolate()->builtins()->StoreIC_SlowSloppy();
-      case STRICT:
-        return isolate()->builtins()->StoreIC_SlowStrict();
-      default:
-        UNREACHABLE();
-        return Handle<Code>();
-    }
+    // StoreIC and KeyedStoreIC share the same slow stub.
+    return isolate()->builtins()->KeyedStoreIC_Slow();
   }
 
   // Update the inline cache and the global stub cache based on the
   // lookup result.
   void UpdateCaches(LookupIterator* lookup, Handle<Object> value,
                     JSReceiver::StoreFromKeyed store_mode);
   Handle<Object> GetMapIndependentHandler(LookupIterator* lookup) override;
   Handle<Object> CompileHandler(LookupIterator* lookup, Handle<Object> value,
                                 CacheHolderFlag cache_holder) override;
 
@@ skipping 89 matching lines @@
 
 // Helper for BinaryOpIC and CompareIC.
 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK };
 void PatchInlinedSmiCode(Isolate* isolate, Address address,
                          InlinedSmiCheck check);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_IC_H_