[Bug c++/77949] [7 Regression] ICE on invalid code in internal compiler error: in linemap_position_for_loc_and_offset, at libcpp/line-map.c:907

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77949

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 39792
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39792&action=edit
Test-case