[Bug preprocessor/105732] [9/10/11/12/13 Regression] internal compiler error: unspellable token PADDING

[mpolacek at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105732

--- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
/* PR preprocessor/105732 */

#define m1(p1, p2, p3) p3
#define m2(p1, ...) 1##__VA_OPT__(foo)
#define M(...) m1(1, 2, m2)
#if M(,)(,)
#endif