1 // Assorted macros to help test #include behavior across file boundaries.
5 void helper2(const char *, ...);
7 #define M1(a, ...) helper2(a, ##__VA_ARGS__);
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__);