[interpreter] Properly collect for-in slow mode feedback.

src/compiler/code-stub-assembler.h

Index: src/compiler/code-stub-assembler.h
diff --git a/src/compiler/code-stub-assembler.h b/src/compiler/code-stub-assembler.h
index 72a7c494a8059f05f123a41ed4c643208dbce103..115bc43dbc99a8e2f88204c6f3d8a873f27f846a 100644
--- a/src/compiler/code-stub-assembler.h
+++ b/src/compiler/code-stub-assembler.h
@@ -221,6 +221,10 @@ class CodeStubAssembler {
                                       int additional_offset = 0);
   Node* LoadFixedArrayElementConstantIndex(Node* object, int index);
 
+  // Store an array element to a FixedArray.
+  Node* StoreFixedArrayElementNoWriteBarrier(Node* object, Node* index,
+                                             Node* value);
+
  protected:
   // Protected helpers which delegate to RawMachineAssembler.
   Graph* graph();