Vector ICs: Introduce an InstanceType for the type feedback vector.

src/heap/heap-inl.h

Index: src/heap/heap-inl.h
diff --git a/src/heap/heap-inl.h b/src/heap/heap-inl.h
index fdb1d7345b4d79c0e738f39ab879667f4e604048..962b0e5611bde02b9d47c749b44892698e06e0c4 100644
--- a/src/heap/heap-inl.h
+++ b/src/heap/heap-inl.h
@@ -16,6 +16,7 @@
 #include "src/list-inl.h"
 #include "src/msan.h"
 #include "src/objects.h"
+#include "src/type-feedback-vector.h"
 
 namespace v8 {
 namespace internal {
@@ -149,6 +150,12 @@ AllocationResult Heap::CopyFixedDoubleArray(FixedDoubleArray* src) {
 }
 
 
+AllocationResult Heap::CopyTypeFeedbackVector(TypeFeedbackVector* src) {
+  if (src->length() == 0) return src;
+  return CopyTypeFeedbackVectorWithMap(src, src->map());
+}
+
+
 AllocationResult Heap::AllocateRaw(int size_in_bytes, AllocationSpace space,
                                    AllocationSpace retry_space,
                                    AllocationAlignment alignment) {