[stubs] Turn FastCloneRegExpStub into a TurboFan code stub.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 47422df55815e8b7e6334fc4a494705e64c1fb2f..919539df83606961346561ca2e4a92a4c6f663f3 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -67,7 +67,6 @@ namespace internal {
   V(StoreICTrampoline)                        \
   /* --- HydrogenCodeStubs --- */             \
   V(ElementsTransitionAndStore)               \
-  V(FastCloneRegExp)                          \
   V(FastCloneShallowArray)                    \
   V(GrowArrayElements)                        \
   V(NumberToString)                           \
@@ -138,6 +137,7 @@ namespace internal {
   V(InternalArraySingleArgumentConstructor)   \
   V(Dec)                                      \
   V(FastCloneShallowObject)                   \
+  V(FastCloneRegExp)                          \
   V(FastNewClosure)                           \
   V(FastNewFunctionContext)                   \
   V(InstanceOf)                               \
@@ -1160,14 +1160,13 @@ class FastNewStrictArgumentsStub final : public PlatformCodeStub {
   class SkipStubFrameBits : public BitField<bool, 0, 1> {};
 };
 
-
-class FastCloneRegExpStub final : public HydrogenCodeStub {
+class FastCloneRegExpStub final : public TurboFanCodeStub {
  public:
-  explicit FastCloneRegExpStub(Isolate* isolate) : HydrogenCodeStub(isolate) {}
+  explicit FastCloneRegExpStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
  private:
   DEFINE_CALL_INTERFACE_DESCRIPTOR(FastCloneRegExp);
-  DEFINE_HYDROGEN_CODE_STUB(FastCloneRegExp, HydrogenCodeStub);
+  DEFINE_TURBOFAN_CODE_STUB(FastCloneRegExp, TurboFanCodeStub);
 };