Fix a (probably very old) regression where we weren't using the typedef name for anonymous tag types.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120113 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/regparm.c b/test/CodeGen/regparm.c
index ec5cbab..dd0be96 100644
--- a/test/CodeGen/regparm.c
+++ b/test/CodeGen/regparm.c
@@ -21,7 +21,7 @@
 
 int
 main(void) {
-  // CHECK: call void @reduced(i8 signext inreg 0, {{.*}} %struct.anon* inreg null
+  // CHECK: call void @reduced(i8 signext inreg 0, {{.*}} %struct.foo* inreg null
   reduced(0, 0.0, 0, 0.0, 0);
   // CHECK: call x86_stdcallcc void {{.*}}(i32 inreg 1, i32 inreg 2)
   bar(1,2);