[Bug modula2/115112] Incorrect line debugging information occurs during INC builtin.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115112

--- Comment #3 from Gaius Mulley <gaius at gcc dot gnu.org> ---
$ gm2 -fiso -g -fm2-whole-program -fm2-dump=all
-fm2-dump-filter=m2iso.TextIO.ReadRestLine testrestline.mod
$ tail -15  a-testrestline.mod.002l.gimple
     (*
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/15.0.1/m2/m2iso/TextIO.mod:133 *)
      (* label  .L14587: *)
      (* missing location2 *)
      _T3018 := i + 1 ;
      (*
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/15.0.1/m2/m2iso/TextIO.mod:134 *)
      i := _T3018 ;
      (*
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/15.0.1/m2/m2iso/TextIO.mod:136 *)
      (* goto .L14529 *)
      (*
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/15.0.1/m2/m2iso/TextIO.mod:137 *)
      (* label  .L14595: *)
      (*
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/15.0.1/m2/m2iso/TextIO.mod:137 *)
      _T3019 := s ;
      (*
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/15.0.1/m2/m2iso/TextIO.mod:137 *)
      TextIO_SetNul( cid, i, _T3019, 1) ;
   END m2iso_TextIO_ReadRestLine ;

the assignment on the 4th line is missing a location.