diff --git a/test/CFrontend/2007-05-08-PCH.c b/test/CFrontend/2007-05-08-PCH.c
new file mode 100644
index 00000000000..aa277ece99e
--- /dev/null
+++ b/test/CFrontend/2007-05-08-PCH.c
@@ -0,0 +1,7 @@
+// PR 1400
+// RUN: %llvmgcc -x c-header %s -o /dev/null
+
+int main() {
+  return 0;
+}
+