[Bug libstdc++/103848] [11/12 Regression] std::deque<>::iterator operator- uses "0" for nullptr check, triggers "zero-as-null-pointer-constant" warning

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103848

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Please rerun that command with -c -o test_allheaders_allheaders.o replaced with
-E -dD -o test_allheaders_allheaders.ii
Then compress it and attach here.