[clang] [clang] Refine handling of C++20 aggregate initialization (PR #131320)

[via cfe-commits]

================
@@ -6714,7 +6714,8 @@ void InitializationSequence::InitializeFrom(Sema &S,
         OverloadCandidateSet::iterator Best;
         OverloadingResult OR = getFailedCandidateSet().BestViableFunction(
             S, Kind.getLocation(), Best);
-        if (OR != OverloadingResult::OR_Deleted) {
+        if (OR != OverloadingResult::OR_Deleted &&
+            Kind.getKind() == InitializationKind::IK_Direct) {
----------------
offsetof wrote:

I discovered a couple more issues in this area, and updated the PR with a more comprehensive fix, along with more tests and a release note as requested. 


https://github.com/llvm/llvm-project/pull/131320