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From: "asolokha at gmx dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/98439] New: [11 Regression] ICE in final_scan_insn_1, at
 final.c:3096
Date: Thu, 24 Dec 2020 18:28:50 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98439

            Bug ID: 98439
           Summary: [11 Regression] ICE in final_scan_insn_1, at
                    final.c:3096
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---
            Target: x86_64-unknown-linux-gnu

gcc-11.0.0-alpha20201220 snapshot (g:18e86fae2a14f78e70aae06afce6bb9853068b=
b1)
ICEs when compiling the following testcase w/ -march=3Dnehalem -O2
-fselective-scheduling2 -fno-cprop-registers:

int in;

int
wz (int, int, int, int, int, int, int);

int
w5 (void)
{
  return wz (0, 0, 0, 0, 0, 0, in > 0 ? in : 0);
}

% x86_64-unknown-linux-gnu-gcc-11.0.0 -march=3Dnehalem -O2
-fselective-scheduling2 -fno-cprop-registers -c jpl1fnqa.c
during RTL pass: final
jpl1fnqa.c: In function 'w5':
jpl1fnqa.c:10:1: internal compiler error: in final_scan_insn_1, at final.c:=
3096
   10 | }
      | ^
0x64eefe final_scan_insn_1
=20=20=20=20=20=20=20
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201220/work/gcc-11-20201220/gc=
c/final.c:3096
0xa985ab final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
=20=20=20=20=20=20=20
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201220/work/gcc-11-20201220/gc=
c/final.c:3170
0xa986a7 final_1
=20=20=20=20=20=20=20
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201220/work/gcc-11-20201220/gc=
c/final.c:2021
0xa99294 rest_of_handle_final
=20=20=20=20=20=20=20
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201220/work/gcc-11-20201220/gc=
c/final.c:4676
0xa99294 execute
=20=20=20=20=20=20=20
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201220/work/gcc-11-20201220/gc=
c/final.c:4754=