[llvm-branch-commits] [clang] [clang] Finish implementation of P0522 (PR #96023)

[via llvm-branch-commits]

================
@@ -6038,14 +6107,23 @@ static bool isAtLeastAsSpecializedAs(Sema &S, QualType 
T1, QualType T2,
     return false;
 
   const auto *TST1 = cast<TemplateSpecializationType>(T1);
-  bool AtLeastAsSpecialized;
+
+  Sema::SFINAETrap Trap(S);
+
+  TemplateDeductionResult Result;
   S.runWithSufficientStackSpace(Info.getLocation(), [&] {
-    AtLeastAsSpecialized =
-        FinishTemplateArgumentDeduction(
-            S, P2, /*IsPartialOrdering=*/true, TST1->template_arguments(),
-            Deduced, Info) == TemplateDeductionResult::Success;
+    Result = ::FinishTemplateArgumentDeduction(
+        S, P2, /*IsPartialOrdering=*/true, TST1->template_arguments(), Deduced,
+        Info);
   });
-  return AtLeastAsSpecialized;
+
+  if (Result != TemplateDeductionResult::Success)
+    return false;
+
+  if (Trap.hasErrorOccurred())
+    return false;
+
+  return true;
----------------
cor3ntin wrote:

Ditto

https://github.com/llvm/llvm-project/pull/96023
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