[clang] [serialization] No transitive type change (PR #92511)

[Chuanqi Xu via cfe-commits]

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@@ -7151,15 +7135,45 @@ TypeSourceInfo *ASTRecordReader::readTypeSourceInfo() {
   return TInfo;
 }
 
+static unsigned getIndexForTypeID(serialization::TypeID ID) {
+  return (ID & llvm::maskTrailingOnes<TypeID>(32)) >> Qualifiers::FastWidth;
+  ;
+}
+
+static unsigned getModuleFileIndexForTypeID(serialization::TypeID ID) {
+  return ID >> 32;
+}
+
+static bool isPredefinedTypes(serialization::TypeID ID) {
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ChuanqiXu9 wrote:

Done with `isPredefinedType`

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