[builtins] Turn StoreIC_Miss and StoreIC_Slow builtins to TurboFan code stubs.

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index 72c47db4fc988906a8641cc3a0d621ad35defed7..625671bb81f2be5b8ce3bd687d50188cdae70108 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -401,7 +401,15 @@ class StoreIC : public IC {
  protected:
   // Stub accessors.
   Handle<Code> slow_stub() const {
-    return isolate()->builtins()->StoreIC_Slow();
+    switch (language_mode()) {
+      case SLOPPY:
+        return isolate()->builtins()->StoreIC_SlowSloppy();
+      case STRICT:
+        return isolate()->builtins()->StoreIC_SlowStrict();
+      default:
+        UNREACHABLE();
+        return Handle<Code>();
+    }
   }
 
   // Update the inline cache and the global stub cache based on the