1// RUN: %clang_cc1 -E %s | FileCheck -strict-whitespace %s
2
3#define hash_hash # ## #
4#define mkstr(a) # a
5#define in_between(a) mkstr(a)
6#define join(c, d) in_between(c hash_hash d)
7char p[] = join(x, y);
8
9// CHECK: char p[] = "x ## y";
10
11