[turbofan] Fix operand calculation for constant materialization from frame.

src/compiler/code-generator.h

Index: src/compiler/code-generator.h
diff --git a/src/compiler/code-generator.h b/src/compiler/code-generator.h
index dff58fac4af38cfe07ac29a6a22d08cae1323b4f..f1e99ec8d2817880df0b1892c407b341ac80ecd1 100644
--- a/src/compiler/code-generator.h
+++ b/src/compiler/code-generator.h
@@ -77,7 +77,7 @@ class CodeGenerator final : public GapResolver::Assembler {
 
   // Check if a heap object can be materialized by loading from the frame, which
   // is usually way cheaper than materializing the actual heap object constant.
-  bool IsMaterializableFromFrame(Handle<HeapObject> object, int* offset_return);
+  bool IsMaterializableFromFrame(Handle<HeapObject> object, int* slot_return);
   // Check if a heap object can be materialized by loading from a heap root,
   // which is cheaper on some platforms than materializing the actual heap
   // object constant.