[clang] [clang-tools-extra] [clang] Implement CWG2398 provisional TTP matching to class templates (PR #94981)

[via cfe-commits]

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@@ -1555,6 +1499,11 @@ DeduceTemplateBases(Sema &S, const CXXRecordDecl *RD,
   return TemplateDeductionResult::Success;
 }
 
+static PartialOrderingKind
+degradeCallPartialOrderingKind(PartialOrderingKind POK) {
+  return std::min(POK, PartialOrderingKind::NonCall);
+}
+
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cor3ntin wrote:

Can we get a comment here?

https://github.com/llvm/llvm-project/pull/94981