testcase for mike's fix for PR3612

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65757 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/builtin-rename.c b/test/CodeGen/builtin-rename.c
new file mode 100644 (file)
index 0000000..b5e4fef
--- /dev/null
+++ b/test/CodeGen/builtin-rename.c
@@ -0,0 +1,8 @@
+// RUN: clang %s -emit-llvm -o - | grep 'declare.*printf' | count 1
+// PR3612
+
+int printf(const char *, ...);
+
+int foo(void) {
+  return printf(printf);
+}