[Bug c++/111356] New: Segmentation fault when compiling large static data structure

[Bug c++/111356] New: Segmentation fault when compiling large static data structure

[comer352l at googlemail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111356

            Bug ID: 111356
           Summary: Segmentation fault when compiling large static data
                    structure
           Product: gcc
           Version: 13.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: comer352l at googlemail dot com
  Target Milestone: ---

Created attachment 55865
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55865&action=edit
header file

Source files attached.

gcc-Version:
13.2.1 20230803 [revision cc279d6c64562f05019e1d12d0d825f9391b5553] (SUSE
Linux)

System type:
x86-64 (openSUSE Tumbleweed)

Command line that triggers the bug:
LC_ALL=en_GB.UTF-8 g++-13 -c Definitions.cpp

Output:
"g++: internal compiler error: Segmentation fault signal terminated program
cc1plus
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
See <https://bugs.opensuse.org/> for instructions."

Additional notes:
- gcc 12.3.0 works fine, so this seems to be a regression.
- bug doesn't occur when compiling with -fwrapv

[Bug c++/111356] Segmentation fault when compiling large static data structure

[comer352l at googlemail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111356

--- Comment #1 from comer352l at googlemail dot com ---
Created attachment 55866
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55866&action=edit
cpp file

[Bug c++/111356] Segmentation fault when compiling large static data structure

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111356

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Works for me on the trunk.

[Bug c++/111356] Segmentation fault when compiling large static data structure

[xry111 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111356

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |xry111 at gcc dot gnu.org
      Known to work|                            |14.0
           Keywords|                            |needs-bisection
      Known to fail|                            |13.2.0

--- Comment #3 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
Fails for me with 13.2.  Maybe a duplicate of a PR fixed in trunk.

[Bug c++/111356] Segmentation fault when compiling large static data structure

[xry111 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111356

--- Comment #4 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
BTW it works with 13.2.0 with "ulimit -s 131072" too, so it's a stack usage
issue.

[Bug c++/111356] [13 Regression] Segmentation fault when compiling large static data structure

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111356

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
                 CC|                            |amacleod at redhat dot com,
                   |                            |rguenth at gcc dot gnu.org
             Status|UNCONFIRMED                 |NEW
   Target Milestone|---                         |13.3
   Last reconfirmed|                            |2023-09-12
           Keywords|                            |needs-reduction

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.

Program received signal SIGSEGV, Segmentation fault.
0x0000000002f2ba98 in gimple_ranger::range_on_entry (this=<error reading
variable: Cannot access memory at address 0x7ffffbffee08>, r=<error reading
variable: Cannot access memory at address 0x7ffffbffee00>, bb=<error reading
variable: Cannot access memory at address 0x7ffffbffedf8>, name=<error reading
variable: Cannot access memory at address 0x7ffffbffedf0>) at
/space/rguenther/src/gcc-13-branch/gcc/gimple-range.cc:141
141     {

from pass_waccess resulting in a 21852 calls deep call chain.

[Bug c++/111356] [13 Regression] Segmentation fault when compiling large static data structure

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111356

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |13.2.1
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
As far as I can see this has been fixed on the branch.