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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/107925] New: ICE in update_specialized_profile at
 gcc/ipa-cp.cc:5082 for 531.deepsjeng_r benchmark
Date: Tue, 29 Nov 2022 20:46:18 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: ipa
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: ice-on-valid-code
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107925

            Bug ID: 107925
           Summary: ICE in update_specialized_profile at
                    gcc/ipa-cp.cc:5082 for 531.deepsjeng_r benchmark
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: jamborm at gcc dot gnu.org, marxin at gcc dot gnu.org,
                    tnfchris at gcc dot gnu.org
  Target Milestone: ---

Created attachment 53985
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53985&action=3Dedit
test-case

Noticed by Tamar and their testers using fancy parameters:

$ g++ -march=3Dnative -Ofast -flto=3Dauto --param ipa-cp-eval-threshold=3D1=
 *.ii
-fprofile-use
during IPA pass: cp
lto1: internal compiler error: in operator>=3D, at profile-count.h:999
0x814bcc profile_count::operator>=3D(profile_count const&) const
        /home/marxin/Programming/gcc/gcc/profile-count.h:999
0x814bcc profile_count::operator>=3D(profile_count const&) const
        /home/marxin/Programming/gcc/gcc/profile-count.h:991
0x814bcc update_specialized_profile
        /home/marxin/Programming/gcc/gcc/ipa-cp.cc:5082
0x1be1689 perhaps_add_new_callers<tree_node*>
        /home/marxin/Programming/gcc/gcc/ipa-cp.cc:5932
0x1be1689 decide_about_value<tree_node*>
        /home/marxin/Programming/gcc/gcc/ipa-cp.cc:6038
0x1be40cc decide_whether_version_node
        /home/marxin/Programming/gcc/gcc/ipa-cp.cc:6190
0x1be5c02 ipcp_decision_stage
        /home/marxin/Programming/gcc/gcc/ipa-cp.cc:6388
0x1be5c02 ipcp_driver
        /home/marxin/Programming/gcc/gcc/ipa-cp.cc:6576
0x1be5c02 execute
        /home/marxin/Programming/gcc/gcc/ipa-cp.cc:6651

The issue is likely not new in GCC 13, but as it uses profile, I hasn'y
bisected that.=