https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119753

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Bogdan from comment #0)
> 1. If those numbers at the end are unimportant, maybe just strip them from
> the output. I'm not even sure what they represent.

See the documentation:
https://gcc.gnu.org/onlinedocs/cpp/Preprocessor-Output.html

> 2. If they are important, change -E to match POSIX and have GCC's current
> output be available via either a new option or an extra one used in
> conjunction with -E.

They're definitely important, so this is not an option. Changing the default
behaviour would break things. Any change to the behaviour must be disabled by
default.

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