[Bug tree-optimization/97780] New: [11 Regression] ICE Segmentation fault since r11-4831-g17c25a454e056f46

[Bug tree-optimization/97780] New: [11 Regression] ICE Segmentation fault since r11-4831-g17c25a454e056f46

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97780

            Bug ID: 97780
           Summary: [11 Regression] ICE Segmentation fault since
                    r11-4831-g17c25a454e056f46
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: rguenth at gcc dot gnu.org
  Target Milestone: ---

The following fails:

$ g++ /home/marxin/Programming/gcc/gcc/testsuite/g++.dg/opt/pr69141.C
-fno-tree-fre -O2 -fno-tree-dominator-opts -c
during GIMPLE pass: pre
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/opt/pr69141.C: In constructor
‘B::B()’:
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/opt/pr69141.C:12:1: internal
compiler error: Segmentation fault
   12 | B::B () : b (this)
      | ^
0x102a07f crash_signal
        /home/marxin/Programming/gcc/gcc/toplev.c:330
0x7ffff7889d1f ???
       
/usr/src/debug/glibc-2.32-2.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x11bc69f fini_pre
        /home/marxin/Programming/gcc/gcc/tree-ssa-pre.c:4204
0x11bc69f execute
        /home/marxin/Programming/gcc/gcc/tree-ssa-pre.c:4325
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.

[Bug tree-optimization/97780] [11 Regression] ICE Segmentation fault since r11-4831-g17c25a454e056f46

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97780

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |10.2.0
      Known to fail|                            |11.0
     Ever confirmed|0                           |1
           Priority|P3                          |P1
             Status|UNCONFIRMED                 |NEW
   Target Milestone|---                         |11.0
   Last reconfirmed|                            |2020-11-10

[Bug tree-optimization/97780] [11 Regression] ICE Segmentation fault since r11-4831-g17c25a454e056f46

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97780

--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:960c4712c8e1e08f29af999d4198bd96fcccb93c

commit r11-4876-g960c4712c8e1e08f29af999d4198bd96fcccb93c
Author: Richard Biener <rguenther@suse.de>
Date:   Tue Nov 10 13:06:08 2020 +0100

    tree-optimization/97780 - fix ICE in fini_pre

    This deals with blocks elimination added.

    2020-11-10  Richard Biener  <rguenther@suse.de>

            PR tree-optimization/97780
            * tree-ssa-pre.c (fini_pre): Deal with added basic blocks
            when freeing PHI_TRANS_TABLE.

[Bug tree-optimization/97780] [11 Regression] ICE Segmentation fault since r11-4831-g17c25a454e056f46

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97780

Richard Biener <rguenth at gcc dot gnu.org> changed:

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

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.