================
@@ -292,77 +294,129 @@ Sema::CheckCXX2CRelocatableAndReplaceable(const
CXXRecordDecl *D) {
return HasSuitableSMP();
// is a union with no user-declared special member functions, or
- if (IsUnion())
+ if (IsTrivialUnion())
return HasSuitableSMP();
// is default-movable.
return IsDefaultMovable();
}();
+ bool PtrauthMatters = LangOpts.PointerAuthIntrinsics ||
+ LangOpts.PointerAuthVTPtrAddressDiscrimination;
+ if (PtrauthMatters) {
+ bool IsUnion = D->isUnion();
+ auto RecordPointerAuth = [&](bool HasAddressDiscrimination) {
+ if (HasAddressDiscrimination && IsUnion) {
+ Info.IsRelocatable = false;
+ Info.IsReplaceable = false;
+ }
+ };
+ auto IsBottomRelocationInfo = [](const CXXRecordDeclRelocationInfo &Info) {
----------------
ojhunt wrote:
Yeah, I really wasn't sure what to call it
https://github.com/llvm/llvm-project/pull/143796
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