Retry "Use a WeakCell in the CallIC type vector."

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 2c9f1fb94d264c93044d0386dc097dcdbea7f10b..6ef0804e5571e30a5b15fb893ebc8794d828a6a5 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -63,6 +63,7 @@ namespace internal {
   V(BinaryOpWithAllocationSite)             \
   V(CompareNilIC)                           \
   V(CreateAllocationSite)                   \
+  V(CreateWeakCell)                         \
   V(ElementsTransitionAndStore)             \
   V(FastCloneShallowArray)                  \
   V(FastCloneShallowObject)                 \
@@ -676,6 +677,17 @@ class CreateAllocationSiteStub : public HydrogenCodeStub {
 };
 
 
+class CreateWeakCellStub : public HydrogenCodeStub {
+ public:
+  explicit CreateWeakCellStub(Isolate* isolate) : HydrogenCodeStub(isolate) {}
+
+  static void GenerateAheadOfTime(Isolate* isolate);
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(CreateWeakCell);
+  DEFINE_HYDROGEN_CODE_STUB(CreateWeakCell, HydrogenCodeStub);
+};
+
+
 class InstanceofStub: public PlatformCodeStub {
  public:
   enum Flags {