1 files changed, 13 insertions, 1 deletions
diff --git a/test/CodeGen/designated-initializers.c b/test/CodeGen/designated-initializers.c
index 74532c8fa5b43..b29799dace205 100644
--- a/test/CodeGen/designated-initializers.c
+++ b/test/CodeGen/designated-initializers.c
@@ -142,6 +142,18 @@ union_16644_t union_16644_instance_4[2] =
 // CHECK: @lab = global { [4 x i8], i32 } { [4 x i8] undef, i32 123 }
 struct leading_anon_bitfield { int : 32; int n; } lab = { .n = 123 };
 
+// rdar://45691981
+struct Base {
+  struct {
+    int A;
+  };
+};
+struct Derived {
+  struct Base B;
+};
+struct Derived D = {{}, .B.A = 42};
+// CHECK: @D = global %struct.Derived { %struct.Base { %struct.anon.4 { i32 42 } } }, align 4
+
 void test1(int argc, char **argv)
 {
   // CHECK: internal global %struct.foo { i8* null, i32 1024 }
@@ -149,7 +161,7 @@ void test1(int argc, char **argv)
     .b = 1024,
   };
 
-  // CHECK: bitcast %union.anon.4* %u2
+  // CHECK: bitcast %union.anon.5* %u2
   // CHECK: call void @llvm.memset
    union { int i; float f; } u2 = { };