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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/108988] gimple_fold_builtin_fputs doesn't
 preserve gimple_builtin_call_types_compatible_p
Date: Fri, 03 Mar 2023 10:20:33 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108988

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jakub Jelinek <jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:dbeccab7a1f5dcc1876c854f17816047ba1ef137

commit r13-6441-gdbeccab7a1f5dcc1876c854f17816047ba1ef137
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Fri Mar 3 11:13:40 2023 +0100

    gimple-fold: Fix up fputs -> fwrite folding [PR108988]

    gimple_fold_builtin_fputs when folding fputs into fwrite emits the third
    argument (INTEGER_CST) with incorrect type - get_maxval_strlen or c_str=
len
    return ssizetype, while fwrite argument is size_type_node.
    The following patch fixes that, I've skimmed through the rest of
    gimple-fold.cc and in all other places get_maxval_strlen/c_strlen result
    was fold_converted to size_type_node already (or GIMPLE cast stmt has b=
een
    emitted directly etc.).

    2023-03-03  Jakub Jelinek  <jakub@redhat.com>

            PR tree-optimization/108988
            * gimple-fold.cc (gimple_fold_builtin_fputs): Fold len to
            size_type_node before passing it as argument to fwrite.  Format=
ting
            fixes.=