Fix compile error introduced in 24002.

src/serialize.cc

Index: src/serialize.cc
diff --git a/src/serialize.cc b/src/serialize.cc
index 9447fc82d9555f8da4ec20badb739a8fa4c9cf7d..dce62fe6db57622cc6b08e9bbf3d2f30ed7af0e2 100644
--- a/src/serialize.cc
+++ b/src/serialize.cc
@@ -1920,7 +1920,7 @@ void CodeSerializer::SerializeCodeStub(Code* code, HowToCode how_to_code,
          (how_to_code == kFromCode && where_to_point == kInnerPointer));
   uint32_t stub_key = code->stub_key();
 
-  if (CodeStub::MajorKeyFromKey(stub_key) == CodeStub::NoCacheKey()) {
+  if (stub_key == CodeStub::NoCacheKey()) {
     if (FLAG_trace_code_serializer) {
       PrintF("Encoding uncacheable code stub as heap object\n");
     }