[clang] [clang] deprecate frelaxed-template-template-args, make it on by default (PR #89807)

Matheus Izvekov via cfe-commits cfe-commits at lists.llvm.org
Wed Apr 24 09:59:34 PDT 2024


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@@ -8343,58 +8343,52 @@ bool Sema::CheckTemplateTemplateArgument(TemplateTemplateParmDecl *Param,
   // C++1z [temp.arg.template]p3: (DR 150)
   //   A template-argument matches a template template-parameter P when P
   //   is at least as specialized as the template-argument A.
-  // FIXME: We should enable RelaxedTemplateTemplateArgs by default as it is a
-  //  defect report resolution from C++17 and shouldn't be introduced by
-  //  concepts.
-  if (getLangOpts().RelaxedTemplateTemplateArgs) {
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mizvekov wrote:

Yes, I think if there are problems in existing C++03 code, we should know about it, I can't see how that same problem wouldn't necessarily apply to newer standards.

https://github.com/llvm/llvm-project/pull/89807


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