/* { dg-do run } */ | |
#define D_2 1, 2 | |
#define C_2(X, I0, I1) X##_a = I0, X##_b = I1 | |
#define B_2(X, I) C_2(X, I) | |
#define A(N, X) B_##N (X, D_##N) | |
extern void abort(void); | |
extern void exit(int); | |
int x_a, x_b; | |
int main(void) | |
{ | |
A(2, x); | |
if (x_a != 1 || x_b != 2) | |
abort(); | |
exit(0); | |
} |