[Bug fortran/124666] [16 Regression] [UBSAN] io.cc:290:27: runtime error:

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124666

--- Comment #5 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jerry DeLisle <jvdelisle@gcc.gnu.org>:

https://gcc.gnu.org/g:0ac324783dfb7627332835da7e48fed2d4049da9

commit r16-8321-g0ac324783dfb7627332835da7e48fed2d4049da9
Author: Jerry DeLisle <jvdelisle@gcc.gnu.org>
Date:   Sat Mar 28 10:53:55 2026 -0700

    fortran: Fix [PR124666] [16 Regression] [UBSAN] io.cc:290:27: runtime error

    Simple an obvious fix to avoid integer overflow.

            PR fortran/124666

    gcc/fortran/ChangeLog:

            * io.cc (format_lex): Use enclosing parens to subtract
            before adding.