merge some testcases together.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59031 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/debug-info.c b/test/CodeGen/debug-info.c
index 3933416..4a47f66 100644
--- a/test/CodeGen/debug-info.c
+++ b/test/CodeGen/debug-info.c
@@ -4,3 +4,19 @@
 void convert(void) {
   struct { typeof(0) f0; } v0;
 }
+
+// PR2784
+struct OPAQUE;
+typedef struct OPAQUE *PTR;
+PTR p;
+
+
+// PR2950
+struct s0;
+struct s0 { struct s0 *p; } g0;
+
+struct s0 *f0(struct s0 *a0) {
+  return a0->p;
+}
+  
+