Make sure we correctly zero-initialize unions containing a pointer to data member as the first field. PR11487.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146009 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/pointers-to-data-members.cpp b/test/CodeGenCXX/pointers-to-data-members.cpp
index f0246c8..90024e4 100644
--- a/test/CodeGenCXX/pointers-to-data-members.cpp
+++ b/test/CodeGenCXX/pointers-to-data-members.cpp
@@ -230,3 +230,13 @@
// CHECK-GLOBAL: @_ZN5test41dE = global %"struct.test4::D" { %"struct.test4::C.base" zeroinitializer, i32* null, %"struct.test4::B.base" { i32 (...)** null, i64 -1 }, %"struct.test4::A" zeroinitializer }, align 8
D d;
}
+
+namespace PR11487 {
+ union U
+ {
+ int U::* mptr;
+ char x[16];
+ } x;
+ // CHECK-GLOBAL: @_ZN7PR114871xE = global %"union.PR11487::U" { i64 -1, [8 x i8] zeroinitializer }, align 8
+
+}