[Bug preprocessor/89971] [9/10/11/12 Regression] ICE: unspellable token PADDING

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89971

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Here is a testcase which clang accepts but GCC rejects:
int b;
int e;
#define a(...)  b /##__VA_OPT__(c) e
int y = a();