| /* { dg-do preprocess } */ | |
| /* { dg-options "" } */ | |
| int foo(int, ...); | |
| #define a(x, y...) foo(x, ##y) | |
| a(1) | |
| a(1, 2, 3) | |
| #define b(x, y, z...) foo(x, ##y) | |
| b(1, 2, 3) /* { dg-warning "valid preprocessing token" } */ | |
| #define c(x, y, z...) foo(x, ##z) | |
| c(1, 2) | |
| c(1, 2, 3) | |
| #define d(x) fo(##x) | |
| d(1) /* { dg-warning "valid preprocessing token" } */ |