merge some testcases together.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59031 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/PR2784-debug-info-opaque-struct.c

@@ -1,6 +0,0 @@
-// RUN: clang -g -emit-llvm -o %t %s
-// PR2784
-
-struct OPAQUE;
-typedef struct OPAQUE *PTR;
-PTR p;

test/CodeGen/PR2950-debug-info-on-recursive-type.c

@@ -1,10 +0,0 @@
-// RUN: clang -g -emit-llvm -o %t %s
-
-struct s0;
-struct s0 { struct s0 *p; } g0;
-
-struct s0 *f0(struct s0 *a0) {
-  return a0->p;
-}
-  
-  

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;
+}
+  
+