Import Clang, at r72732.

1 files changed, 7 insertions, 0 deletions

diff --git a/test/Preprocessor/macro_paste_hashhash.c b/test/Preprocessor/macro_paste_hashhash.c
new file mode 100644
index 0000000..42654fd
--- /dev/null
+++ b/test/Preprocessor/macro_paste_hashhash.c
@@ -0,0 +1,7 @@
+// RUN: clang-cc -E %s | grep '^"x ## y";$'
+#define hash_hash # ## # 
+#define mkstr(a) # a 
+#define in_between(a) mkstr(a) 
+#define join(c, d) in_between(c hash_hash d) 
+join(x, y);
+