DebugInfo test: Rename function to avoid using the same name as a type

llvm-svn: 184598
diff --git a/clang/test/CodeGenCXX/debug-info-class-limited.cpp b/clang/test/CodeGenCXX/debug-info-class-limited.cpp
index f55b9b1..26ee19f 100644
--- a/clang/test/CodeGenCXX/debug-info-class-limited.cpp
+++ b/clang/test/CodeGenCXX/debug-info-class-limited.cpp
@@ -18,7 +18,7 @@
   int i;
 };
 
-foo *foo(foo *a) {
+foo *bar(foo *a) {
   foo *b = new foo(*a);
   return b;
 }