When synthesizing implicit copy/move constructors and copy/move assignment

operators, don't make an initializer or sub-operation for zero-width
bitfields.

llvm-svn: 133221

1 files changed, 10 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/implicit-copy-constructor.cpp b/clang/test/CodeGenCXX/implicit-copy-constructor.cpp
index 5008601..8bc84a5 100644
--- a/clang/test/CodeGenCXX/implicit-copy-constructor.cpp
+++ b/clang/test/CodeGenCXX/implicit-copy-constructor.cpp
@@ -70,3 +70,13 @@ void test_X2()
   pimpl pdata;
   pdata.f0( new impl(*i));
 }
+
+// rdar://problem/9598341
+namespace test3 {
+  struct A { A(const A&); A&operator=(const A&); };
+  struct B { A a; unsigned : 0; };
+  void test(const B &x) {
+    B y = x;
+    y = x;
+  }
+}