diff --git a/clang/test/Lexer/preprocess-compat.c b/clang/test/Lexer/preprocess-compat.c
new file mode 100644
index 000000000000..e895975477f7
--- /dev/null
+++ b/clang/test/Lexer/preprocess-compat.c
@@ -0,0 +1,3 @@
+// RUN: clang -E -x c -o %t.i %s
+// RUN: gcc -fsyntax-only %t.i
+