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Subject: [Bug c/99224] [9/10/11 Regression] ICE in location_wrapper_p, at
 tree.h:4052
Date: Wed, 24 Feb 2021 09:25:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99224

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:084963dcaca2f0836366fdb001561e29ecbfb483

commit r11-7353-g084963dcaca2f0836366fdb001561e29ecbfb483
Author: Richard Biener <rguenther@suse.de>
Date:   Wed Feb 24 09:18:05 2021 +0100

    c/99224 - avoid ICEing on invalid __builtin_next_arg

    This avoids crashes with __builtin_next_arg on non-parameters.  For
    the specific testcase we arrive with an anonymous SSA_NAME so that
    SSA_NAME_VAR becomes NULL and we crash.

    2021-02-24  Richard Biener  <rguenther@suse.de>

            PR c/99224
            * builtins.c (fold_builtin_next_arg): Avoid NULL arg.

            * gcc.dg/pr99224.c: New testcase.=