[Bug gdb/29114] New: [gdb] breakpoint.c:11568: internal-error: insert_location: pure virtual function called

[Bug gdb/29114] New: [gdb] breakpoint.c:11568: internal-error: insert_location: pure virtual function called

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29114

            Bug ID: 29114
           Summary: [gdb] breakpoint.c:11568: internal-error:
                    insert_location: pure virtual function called
           Product: gdb
           Version: 12.1
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

When running test-case gdb.ada/catch_assert_if.exp, I run into:
...
FAIL: gdb.ada/catch_assert_if.exp: continuing to expected failed assertion (GDB
internal error)
FAIL: gdb.ada/catch_assert_if.exp: continuing to program completion (GDB
internal error)
...

First FAIL in more detail:
...
(gdb) PASS: gdb.ada/catch_assert_if.exp: Check catch assertions with condition
continue^M
Continuing.^M
/home/vries/gdb_versions/devel/src/gdb/breakpoint.c:11568: internal-error:
insert_location: pure virtual function called^M
A problem internal to GDB has been detected,^M
further debugging may prove unreliable.^M
----- Backtrace -----^M
FAIL: gdb.ada/catch_assert_if.exp: continuing to expected failed assertion (GDB
internal error)
Resyncing due to internal error.
0x55b97e gdb_internal_backtrace_1^M
        /home/vries/gdb_versions/devel/src/gdb/bt-utils.c:122^M
0x55ba21 _Z22gdb_internal_backtracev^M
        /home/vries/gdb_versions/devel/src/gdb/bt-utils.c:168^M
0xbab177 internal_vproblem^M
        /home/vries/gdb_versions/devel/src/gdb/utils.c:396^M
0xbab546 _Z15internal_verrorPKciS0_P13__va_list_tag^M
        /home/vries/gdb_versions/devel/src/gdb/utils.c:476^M
0xeb6736 _Z14internal_errorPKciS0_z^M
        /home/vries/gdb_versions/devel/src/gdbsupport/errors.cc:55^M
0x53bfbf _ZN10breakpoint15insert_locationEP11bp_location^M
        /home/vries/gdb_versions/devel/src/gdb/breakpoint.c:11568^M
0x525d0b insert_bp_location^M
        /home/vries/gdb_versions/devel/src/gdb/breakpoint.c:2718^M
0x526d0c insert_breakpoint_locations^M
        /home/vries/gdb_versions/devel/src/gdb/breakpoint.c:3120^M
0x53b94d update_global_location_list^M
        /home/vries/gdb_versions/devel/src/gdb/breakpoint.c:11404^M
0x52693e _Z18insert_breakpointsv^M
        /home/vries/gdb_versions/devel/src/gdb/breakpoint.c:3019^M
0x7f612f keep_going_pass_signal^M
        /home/vries/gdb_versions/devel/src/gdb/infrun.c:8247^M
0x7e7340 start_step_over^M
        /home/vries/gdb_versions/devel/src/gdb/infrun.c:2033^M
0x7e9ffa _Z7proceedm10gdb_signal^M
        /home/vries/gdb_versions/devel/src/gdb/infrun.c:3316^M
0x7d613e _Z10continue_1i^M
        /home/vries/gdb_versions/devel/src/gdb/infcmd.c:637^M
0x7d63f0 continue_command^M
        /home/vries/gdb_versions/devel/src/gdb/infcmd.c:729^M
0x5b28db do_simple_func^M
        /home/vries/gdb_versions/devel/src/gdb/cli/cli-decode.c:95^M
0x5b74c7 _Z8cmd_funcP16cmd_list_elementPKci^M
        /home/vries/gdb_versions/devel/src/gdb/cli/cli-decode.c:2514^M
0xb17d72 _Z15execute_commandPKci^M
        /home/vries/gdb_versions/devel/src/gdb/top.c:699^M
0x72b136 _Z15command_handlerPKc^M
        /home/vries/gdb_versions/devel/src/gdb/event-top.c:598^M
0x72b5de _Z20command_line_handlerOSt10unique_ptrIcN3gdb13xfree_deleterIcEEE^M
        /home/vries/gdb_versions/devel/src/gdb/event-top.c:842^M
0xb417e9 tui_command_line_handler^M
        /home/vries/gdb_versions/devel/src/gdb/tui/tui-interp.c:278^M
0x72a932 gdb_rl_callback_handler^M
        /home/vries/gdb_versions/devel/src/gdb/event-top.c:230^M
0xc1cfe5 rl_callback_read_char^M
        /home/vries/gdb_versions/devel/src/readline/readline/callback.c:287^M
0x72a7af gdb_rl_callback_read_char_wrapper_noexcept^M
        /home/vries/gdb_versions/devel/src/gdb/event-top.c:188^M
0x72a836 gdb_rl_callback_read_char_wrapper^M
        /home/vries/gdb_versions/devel/src/gdb/event-top.c:205^M
0x72af85 _Z19stdin_event_handleriPv^M
        /home/vries/gdb_versions/devel/src/gdb/event-top.c:525^M
0xeb7447 handle_file_event^M
        /home/vries/gdb_versions/devel/src/gdbsupport/event-loop.cc:574^M
0xeb79cf gdb_wait_for_event^M
        /home/vries/gdb_versions/devel/src/gdbsupport/event-loop.cc:700^M
0xeb68de _Z16gdb_do_one_eventv^M
        /home/vries/gdb_versions/devel/src/gdbsupport/event-loop.cc:237^M
0x863275 start_event_loop^M
        /home/vries/gdb_versions/devel/src/gdb/main.c:413^M
0x863395 captured_command_loop^M
        /home/vries/gdb_versions/devel/src/gdb/main.c:473^M
0x864bc5 captured_main^M
        /home/vries/gdb_versions/devel/src/gdb/main.c:1335^M
0x864c2b _Z8gdb_mainP18captured_main_args^M
        /home/vries/gdb_versions/devel/src/gdb/main.c:1350^M
0x41894d main^M
        /home/vries/gdb_versions/devel/src/gdb/gdb.c:32^M
...

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug gdb/29114] [gdb] breakpoint.c:11568: internal-error: insert_location: pure virtual function called

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29114

Tom de Vries <vries at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tromey at sourceware dot org

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug gdb/29114] [gdb] breakpoint.c:11568: internal-error: insert_location: pure virtual function called

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29114

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Bisects to:
...
$ git bisect bad
2b5ab5b8514550782e1ee3107f4b3e0984a5a6a9 is the first bad commit
commit 2b5ab5b8514550782e1ee3107f4b3e0984a5a6a9
Author: Tom Tromey <tom@tromey.com>
Date:   Sat Jan 15 13:56:38 2022 -0700

    Convert base breakpoints to vtable ops

    This converts base breakpoints to use vtable_breakpoint_ops.
...

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug gdb/29114] [gdb] breakpoint.c:11568: internal-error: insert_location: pure virtual function called

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29114

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
I had the idea that perhaps this could something to do with building with -O0,
but after rebuilding with -O2 I still get the same result.

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug gdb/29114] [gdb] breakpoint.c:11568: internal-error: insert_location: pure virtual function called

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29114

--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
Triggers a fair amount in gdb.ada/*.exp:
...
$ grep -c "internal-error.*pure virtual function called" gdb.log
93
...

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug gdb/29114] [gdb] breakpoint.c:11568: internal-error: insert_location: pure virtual function called

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29114

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
So this is on openSUSE Leap 15.3 with gcc 7.5.0.

Also reproduces on openSUSE Tumbleweed with gcc 11.2.1

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug gdb/29114] [gdb] breakpoint.c:11568: internal-error: insert_location: pure virtual function called

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29114

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|12.1                        |HEAD
         Resolution|---                         |FIXED
           Assignee|unassigned at sourceware dot org   |tromey at sourceware dot org
             Status|NEW                         |RESOLVED
   Target Milestone|---                         |13.1

--- Comment #5 from Tom Tromey <tromey at sourceware dot org> ---
I changed the "Version" since I don't think this affects 12.1.

I found this separately this morning and fixed it here:
https://sourceware.org/pipermail/gdb-patches/2022-May/188593.html

-- 
You are receiving this mail because:
You are on the CC list for the bug.