================
@@ -2792,6 +2811,24 @@ void DeclareImplicitDeductionGuidesForTypeAlias(
} else {
assert(false && "unhandled RHS type of the alias");
}
+ return {Template, AliasRhsTemplateArgs};
+}
+
+// Build deduction guides for a type alias template.
+void DeclareImplicitDeductionGuidesForTypeAlias(
+ Sema &SemaRef, TypeAliasTemplateDecl *AliasTemplate, SourceLocation Loc) {
+ if (AliasTemplate->isInvalidDecl())
+ return;
+ auto &Context = SemaRef.Context;
+ // FIXME: if there is an explicit deduction guide after the first use of the
----------------
hokein wrote:
Emitting a diagnostic is an option, but I think it's suboptimal, and it is not
trivial to detect such cases. I prefer to fix the issue directly rather than
implementing a diagnostic that would eventually be removed.
Do you consider this case to be critical for the clang trunk at the moment? I
believe we should fix it before the next clang release, and we still have some
time to do so.
https://github.com/llvm/llvm-project/pull/85904
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