================
@@ -12166,6 +12174,15 @@ static void DiagnoseBadDeduction(Sema &S, NamedDecl
*Found, Decl *Templated,
diag::note_ovl_candidate_explicit_arg_mismatch_unnamed)
<< (index + 1);
}
+
+ if (PartialDiagnosticAt *PDiag = DeductionFailure.getSFINAEDiagnostic()) {
+ unsigned DiagID =
----------------
zyn0217 wrote:
> An alternative here, instead of degrading the level of diagnostic, would be
> to come up with a way to establish a nesting of diagnostics, beyond what we
> do implicitly, with notes always attached to the previous non-note diagnostic.
Can you please say more? Our current deduction failure diagnostics are already
implemented in the way that note diagnostics (like SFINAE errors) are attached
to the error, right?
https://github.com/llvm/llvm-project/pull/139066
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