1 files changed, 27 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/c99-6_10_3_4_p6.c b/clang/test/Preprocessor/c99-6_10_3_4_p6.c
new file mode 100644
index 0000000..98bacb2
--- /dev/null
+++ b/clang/test/Preprocessor/c99-6_10_3_4_p6.c
@@ -0,0 +1,27 @@
+// Example from C99 6.10.3.4p6
+
+// RUN: %clang_cc1 -E %s | FileCheck -strict-whitespace %s
+
+#define str(s) # s 
+#define xstr(s) str(s) 
+#define debug(s, t) printf("x" # s "= %d, x" # t "= s" \ 
+                           x ## s, x ## t) 
+#define INCFILE(n) vers ## n 
+#define glue(a, b) a ## b 
+#define xglue(a, b) glue(a, b) 
+#define HIGHLOW "hello" 
+#define LOW LOW ", world" 
+debug(1, 2); 
+fputs(str(strncmp("abc\0d" "abc", '\4') // this goes away 
+          == 0) str(: @\n), s); 
+include xstr(INCFILE(2).h) 
+glue(HIGH, LOW); 
+xglue(HIGH, LOW) 
+
+
+// CHECK: printf("x" "1" "= %d, x" "2" "= s" x1, x2);
+// CHECK: fputs("strncmp(\"abc\\0d\" \"abc\", '\\4') == 0" ": @\n", s);
+// CHECK: include "vers2.h"
+// CHECK: "hello";
+// CHECK: "hello" ", world"
+