1 | // Assorted macros to help test #include behavior across file boundaries. |
2 | |
3 | #define helper1 0 |
4 | |
5 | void helper2(const char *, ...); |
6 | |
7 | #define M1(a, ...) helper2(a, ##__VA_ARGS__); |
8 | |
9 | // Note: M2 stresses vararg macro functions with macro arguments. The spelling |
10 | // locations of the args used to be set to the expansion site, leading to |
11 | // crashes (region LineEnd < LineStart). The regression test requires M2's line |
12 | // number to be greater than the line number containing the expansion. |
13 | #define M2(a, ...) M1(a, helper1, ##__VA_ARGS__); |
14 | |