Revert of Do not embed constant functions in StoreTransition stub.

src/ic/handler-compiler.cc

Index: src/ic/handler-compiler.cc
diff --git a/src/ic/handler-compiler.cc b/src/ic/handler-compiler.cc
index b942a705fa09a132f01f628feecc6b853e7b40da..9915ed11dcb302c238104f6b23883edf30c0d90c 100644
--- a/src/ic/handler-compiler.cc
+++ b/src/ic/handler-compiler.cc
@@ -340,10 +340,9 @@
 
   // Call to respective StoreTransitionStub.
   if (details.type() == CONSTANT) {
+    GenerateConstantCheck(descriptors->GetValue(descriptor), value(), &miss);
+
     GenerateRestoreMap(transition, scratch2(), &miss);
-    DCHECK(descriptors->GetValue(descriptor)->IsJSFunction());
-    Register map_reg = StoreTransitionDescriptor::MapRegister();
-    GenerateConstantCheck(map_reg, descriptor, value(), scratch2(), &miss);
     GenerateRestoreName(name);
     StoreTransitionStub stub(isolate());
     GenerateTailCall(masm(), stub.GetCode());