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-rw-r--r--clang/lib/CodeGen/CGExprCXX.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CGExprCXX.cpp b/clang/lib/CodeGen/CGExprCXX.cpp
index 4bffad35797..c4f509a8e0a 100644
--- a/clang/lib/CodeGen/CGExprCXX.cpp
+++ b/clang/lib/CodeGen/CGExprCXX.cpp
@@ -173,7 +173,7 @@ RValue CodeGenFunction::EmitCXXMemberOrOperatorMemberCallExpr(
This = EmitLValue(Base).getAddress();
- if (MD->isTrivial()) {
+ if (MD->isTrivial() || (MD->isDefaulted() && MD->getParent()->isUnion())) {
if (isa<CXXDestructorDecl>(MD)) return RValue::get(nullptr);
if (isa<CXXConstructorDecl>(MD) &&
cast<CXXConstructorDecl>(MD)->isDefaultConstructor())
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