1 files changed, 27 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/macro_fn_lparen_scan.c b/clang/test/Preprocessor/macro_fn_lparen_scan.c
new file mode 100644
index 0000000..0218469
--- /dev/null
+++ b/clang/test/Preprocessor/macro_fn_lparen_scan.c
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -E %s | grep 'noexp: foo y'
+// RUN: %clang_cc1 -E %s | grep 'expand: abc'
+// RUN: %clang_cc1 -E %s | grep 'noexp2: foo nonexp'
+// RUN: %clang_cc1 -E %s | grep 'expand2: abc'
+
+#define A foo
+#define foo() abc
+#define X A y
+
+// This should not expand to abc, because the foo macro isn't followed by (.
+noexp: X
+
+
+// This should expand to abc.
+#undef X
+#define X A ()
+expand: X
+
+
+// This should be 'foo nonexp'
+noexp2: A nonexp
+
+// This should expand
+expand2: A (
+)
+
+