PR28978: If we need overload resolution for the move constructor of an
anonymous union member of a class, we need overload resolution for the move
constructor of the class itself too; we can't rely on Sema to do the right
thing for us for anonymous union types.
llvm-svn: 278763
diff --git a/clang/lib/AST/DeclCXX.cpp b/clang/lib/AST/DeclCXX.cpp
index 7e85619..7395db5 100644
--- a/clang/lib/AST/DeclCXX.cpp
+++ b/clang/lib/AST/DeclCXX.cpp
@@ -807,6 +807,17 @@
data().DefaultedDestructorIsDeleted = true;
}
+ // For an anonymous union member, our overload resolution will perform
+ // overload resolution for its members.
+ if (Field->isAnonymousStructOrUnion()) {
+ data().NeedOverloadResolutionForMoveConstructor |=
+ FieldRec->data().NeedOverloadResolutionForMoveConstructor;
+ data().NeedOverloadResolutionForMoveAssignment |=
+ FieldRec->data().NeedOverloadResolutionForMoveAssignment;
+ data().NeedOverloadResolutionForDestructor |=
+ FieldRec->data().NeedOverloadResolutionForDestructor;
+ }
+
// C++0x [class.ctor]p5:
// A default constructor is trivial [...] if:
// -- for all the non-static data members of its class that are of