https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66472
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |manu at gcc dot gnu.org
--- Comment #4 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
> As suggested there https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57709#c16, I
> tried to break at the call to warning_at to give you more input, but with no
> luck, as if warning_at was not called at all. (I also tried to break at any
> *warning* symbol with same result).
Probably because you are debugging the driver instead of the compiler proper:
https://gcc.gnu.org/wiki/DebuggingGCC
Sorry, I should have mentioned that.