[clang] [clang] fix P3310 overload resolution flag propagation (PR #125372)

[Aaron Ballman via cfe-commits]

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@@ -2525,8 +2525,11 @@ void TextNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *D) {
     OS << " instantiated_from";
     dumpPointer(Instance);
   }
-  if (const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(D))
+  if (const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
     dumpTemplateSpecializationKind(CTSD->getSpecializationKind());
+    if (CTSD->hasMatchedPackOnParmToNonPackOnArg())
+      OS << " strict_match";
+  }
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AaronBallman wrote:

I'm not opposed to adding the extra information to the AST dump, but if you change TextNodeDumper.cpp, you should also change JSONNodeDumper.cpp as well.

https://github.com/llvm/llvm-project/pull/125372