/* PR preprocessor/105732 */ | |
/* { dg-do compile } */ | |
/* { dg-options "-std=gnu99" { target c } } */ | |
/* { dg-options "-std=c++20" { target c++ } } */ | |
#define m1(p1, p2, p3) p3 | |
#define m2(p1, ...) 1##__VA_OPT__(foo) | |
#define m3(...) m1(1, 2, m2) | |
#define m4(p1, ...) 1 __VA_OPT__() | |
#define m5(...) m1(1, 2, m4) | |
#if m3(,)(,) | |
#else | |
#error | |
#endif | |
#if m5(,)(,) | |
#else | |
#error | |
#endif |