[llvm-branch-commits] [clang] [serialization] No transitive type change (PR #92511)

[Chuanqi Xu via llvm-branch-commits]

================
@@ -3262,17 +3262,18 @@ void ASTWriter::WritePragmaDiagnosticMappings(const DiagnosticsEngine &Diag,
 /// Write the representation of a type to the AST stream.
 void ASTWriter::WriteType(QualType T) {
   TypeIdx &IdxRef = TypeIdxs[T];
-  if (IdxRef.getIndex() == 0) // we haven't seen this type before.
+  if (IdxRef.getValue() == 0) // we haven't seen this type before.
----------------
ChuanqiXu9 wrote:

I feel it might not be needed. Since the type `TypeIdx` shows the information that this is index from serialization to me.

https://github.com/llvm/llvm-project/pull/92511