[Bug c++/95746] New: ice during GIMPLE pass: reassoc

[Bug c++/95746] New: ice during GIMPLE pass: reassoc

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95746

            Bug ID: 95746
           Summary: ice during GIMPLE pass: reassoc
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

For C++ testsuite case ./g++.dg/other/vector-compare.C
on flag -O3 -march=native, recent gcc trunk does this:

$ /home/pi/gcc/results/bin/g++ -c -O3 -march=native
./g++.dg/other/vector-compare.C
during GIMPLE pass: reassoc
./g++.dg/other/vector-compare.C: In function 'long long int f(v4f*, const
v4f*)':
./g++.dg/other/vector-compare.C:21:1: internal compiler error: Segmentation
fault
   21 | f (v4f *x, v4f const *y)
      | ^
0x8db2e3 crash_signal
        ../../trunk.git/gcc/toplev.c:328
0x76c3511f ???
        ../sysdeps/unix/sysv/linux/arm/sigrestorer.S:64
0x5f0513 gsi_replace_with_seq(gimple_stmt_iterator*, gimple*, bool)
        ../../trunk.git/gcc/gimple-iterator.c:474
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.

native is Raspberry PI 3+, so armv7l-unknown-linux-gnueabihf

[Bug middle-end/95746] ice during GIMPLE pass: reassoc

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95746

--- Comment #1 from David Binderman <dcb314 at hotmail dot com> ---
The bug doesn't seem to occur on raspberry pi 4, with config string
arm-linux-gnueabihf.

[Bug middle-end/95746] ice during GIMPLE pass: reassoc

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95746

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
     Ever confirmed|0                           |1
                 CC|                            |marxin at gcc dot gnu.org
   Last reconfirmed|                            |2020-06-18

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Should be fixed on master, can you please re-check?

[Bug middle-end/95746] ice during GIMPLE pass: reassoc

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95746

--- Comment #3 from David Binderman <dcb314 at hotmail dot com> ---
Fixed by date 20200619. Thanks for checking.

[Bug middle-end/95746] ice during GIMPLE pass: reassoc

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95746

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|WAITING                     |RESOLVED

--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed.