[clang] [clang] CTAD alias: Respecte explicit deduction guides defined after the first use of the alias template. (PR #125478)

[Haojian Wu via cfe-commits]

================
@@ -1191,13 +1209,10 @@ void DeclareImplicitDeductionGuidesForTypeAlias(
   if (AliasTemplate->isInvalidDecl())
     return;
   auto &Context = SemaRef.Context;
-  // FIXME: if there is an explicit deduction guide after the first use of the
-  // type alias usage, we will not cover this explicit deduction guide. fix 
this
-  // case.
-  if (hasDeclaredDeductionGuides(
-          Context.DeclarationNames.getCXXDeductionGuideName(AliasTemplate),
-          AliasTemplate->getDeclContext()))
-    return;
+  auto SourceDeductionGuides = getSourceDeductionGuides(
+      Context.DeclarationNames.getCXXDeductionGuideName(AliasTemplate),
+      AliasTemplate->getDeclContext());
+
----------------
hokein wrote:

Moved to right after the `if (!Template)` bailout.

https://github.com/llvm/llvm-project/pull/125478
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits