[Bug preprocessor/118168] -Wmisleading-indentation causes 10x+ overhead or higher (visible on mypy-1.13.0)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118168

--- Comment #5 from Sam James <sjames at gcc dot gnu.org> ---
It is already a bit slow here with (all numbers w/ checking) 11/12 (15s), but
far worse with 13+ (39s). I don't know if we should call it a regression or not
then.