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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/96879] New: [11 Regresssion] ICE in native_encode_rtx,
 at simplify-rtx.c:6482
Date: Tue, 01 Sep 2020 07:18:25 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 10.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: marxin at gcc dot gnu.org
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X-Bugzilla-Priority: P3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96879

            Bug ID: 96879
           Summary: [11 Regresssion] ICE in native_encode_rtx, at
                    simplify-rtx.c:6482
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: ktkachov at gcc dot gnu.org, rsandifo at gcc dot gnu.org
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: aarch64-linux-gnu

Must be a recent regression:

aarch64-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/g++.old-deja/g++.other/crash11.C
-mabi=3Dilp32 -O1 -c
/home/marxin/Programming/gcc/gcc/testsuite/g++.old-deja/g++.other/crash11.C=
:21:30:
internal compiler error: in native_encode_rtx, at simplify-rtx.c:6482
   21 | template struct string <char>;
      |                              ^
0x67af49 native_encode_rtx(machine_mode, rtx_def*, vec<unsigned char, va_he=
ap,
vl_ptr>&, unsigned int, unsigned int)
=20=20=20=20=20=20=20
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc=
/simplify-rtx.c:6482
0xf3ecea optimize_constant_pool
=20=20=20=20=20=20=20
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc=
/varasm.c:4324
0xf43928 output_shared_constant_pool()
=20=20=20=20=20=20=20
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc=
/varasm.c:4431
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.=