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Subject: [Bug tree-optimization/104676] [12 Regression] ICE in
 verify_loop_structure, at cfgloop.cc:1748 (error: loop 3's number of
 iterations '(unsigned int) + 4294967295' references the released SSA name
 '<unknown>')
Date: Thu, 28 Apr 2022 03:23:05 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104676

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Kito Cheng <kito@gcc.gnu.org>:

https://gcc.gnu.org/g:d5b66a905322262483af5c4ca6cb6676c24e1f3f

commit r12-8295-gd5b66a905322262483af5c4ca6cb6676c24e1f3f
Author: Jia-Wei Chen <jiawei@iscas.ac.cn>
Date:   Tue Apr 19 11:11:24 2022 +0800

    testsuite: Skip target not support -pthread [PR104676].

    The "ftree-parallelize-loops=3D" imply -pthread option in gcc/gcc.cc,
    some target are not support pthread like elf target use newlib,
    and will get an error:

    "*-*-elf-gcc: error: unrecognized command-line option '-pthread'"

    so we add an additional condition "{target pthread}" to make sure the
    dg-additional-options runs on support targets.

    gcc/testsuite/ChangeLog

            PR target/104676
            * gcc.dg/torture/pr104676.c: Add "{target pthread}" check.=