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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c/94755] [9/10/11 Regression] internal compiler error:
 Segmentation fault
Date: Wed, 16 Sep 2020 19:21:04 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94755

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:d6a341eb9170fdb21aee235142d1f09e6dc5c5cd

commit r9-8886-gd6a341eb9170fdb21aee235142d1f09e6dc5c5cd
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Mon Apr 27 16:05:03 2020 +0200

    c-family: Fix ICE on __builtin_speculation_safe_value () [PR94755]

    When this builtin has no parameters, speculation_safe_value_resolve_call
    returns BUILT_IN_NONE, but resolve_overloaded_builtin uselessly
    dereferences the first param just to return error_mark_node immediately.

    The following patch rearranges it so that we only read the first parame=
ter
    if fncode is not BUILT_IN_NONE.

    2020-04-27  Jakub Jelinek  <jakub@redhat.com>

            PR c/94755
            * c-common.c (resolve_overloaded_builtin): Return error_mark_no=
de
for
            fncode =3D=3D BUILT_IN_NONE before initialization of first_para=
m.

            * c-c++-common/pr94755.c: New test.

    (cherry picked from commit 26d76be7af6db75aaab662f4e93395f4ff8acb38)=