[Bug modula2/114929] for loop fails to iterate down to zero if a cardinal type (unsigned type) is used with a step of -1.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114929

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

https://gcc.gnu.org/g:c943d7b5c40f447b12431df9ad27a47dad95026d

commit r15-137-gc943d7b5c40f447b12431df9ad27a47dad95026d
Author: Gaius Mulley <gaiusm...@gmail.com>
Date:   Fri May 3 20:48:01 2024 +0100

    PR modula2/114929 extra for loop iteration count regression tests

    This patch introduces three more for loop tests checking the iteration
    count using the CHAR and enumeration data types.

    gcc/testsuite/ChangeLog:

            PR modula2/114929
            * gm2/pim/run/pass/testforloopchar.mod: New test.
            * gm2/pim/run/pass/testforloopchar2.mod: New test.
            * gm2/pim/run/pass/testforloopenum.mod: New test.

    Signed-off-by: Gaius Mulley <gaiusm...@gmail.com>