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

[Erich Keane via cfe-commits]

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@@ -6561,7 +6561,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   if (const Arg *A =
           Args.getLastArg(options::OPT_fvisibility_global_new_delete_hidden)) {
     D.Diag(diag::warn_drv_deprecated_arg)
-        << A->getAsString(Args)
+        << A->getAsString(Args) << true
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erichkeane wrote:

Add a comment on the 'true' to show what it means.  Elsewher etoo.

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