11 lines · c
1// RUN: %clang_cc1 -E %s | FileCheck -strict-whitespace %s2 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