https://github.com/momo5502 created
https://github.com/llvm/llvm-project/pull/128866
This could be a fix for #93251
>From 484ff7a53ab700fda30ee90f739bb2573f41c851 Mon Sep 17 00:00:00 2001
From: Maurice Heumann <maurice.heum...@wibu.com>
Date: Wed, 26 Feb 2025 08:37:04 +0100
Subject: [PATCH] Mark union member destructors referenced
---
clang/lib/Sema/SemaDeclCXX.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 664d48ccbc382..ce7927dedd96b 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -5764,7 +5764,7 @@
Sema::MarkBaseAndMemberDestructorsReferenced(SourceLocation Location,
CXXRecordDecl *ClassDecl) {
// Ignore dependent contexts. Also ignore unions, since their members never
// have destructors implicitly called.
- if (ClassDecl->isDependentContext() || ClassDecl->isUnion())
+ if (ClassDecl->isDependentContext() /*|| ClassDecl->isUnion()*/)
return;
// FIXME: all the access-control diagnostics are positioned on the
@@ -5793,8 +5793,10 @@
Sema::MarkBaseAndMemberDestructorsReferenced(SourceLocation Location,
if (FieldClassDecl->hasIrrelevantDestructor())
continue;
// The destructor for an implicit anonymous union member is never invoked.
- if (FieldClassDecl->isUnion() &&
FieldClassDecl->isAnonymousStructOrUnion())
+ if (FieldClassDecl->isUnion() &&
FieldClassDecl->isAnonymousStructOrUnion()) {
+ MarkBaseAndMemberDestructorsReferenced(Location, FieldClassDecl);
continue;
+ }
CXXDestructorDecl *Dtor = LookupDestructor(FieldClassDecl);
// Dtor might still be missing, e.g because it's invalid.
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