[Bug tree-optimization/113521] ICE when building swi-prolog-9.1.2 with LTO in verify_gimple_in_cfg

["sjames at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113521

--- Comment #1 from Sam James <sjames at gcc dot gnu.org> ---
The original unreduced bt was:
```
/var/tmp/portage/dev-lang/swi-prolog-9.1.2-r1/work/swipl-9.1.2/packages/xpce/src/h/kernel.h:1443:20:
warning: type of ‘builtin_names’ does not match original declaration
[-Wlto-type-mismatch]
 1443 | extern struct name builtin_names[];     /* object-array of built-in's
*/
      |                    ^
/var/tmp/portage/dev-lang/swi-prolog-9.1.2-r1/work/swipl-9.1.2/packages/xpce/src/ker/name.c:58:14:
note: type ‘struct bname’ should match type ‘struct name’
   58 | struct bname builtin_names[] =
      |              ^
/var/tmp/portage/dev-lang/swi-prolog-9.1.2-r1/work/swipl-9.1.2/packages/xpce/src/ker/name.c:58:14:
note: ‘builtin_names’ was previously declared here
/var/tmp/portage/dev-lang/swi-prolog-9.1.2-r1/work/swipl-9.1.2/packages/xpce/src/ker/name.c:58:14:
note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used
lto-wrapper: warning: using serial compilation of 28 LTRANS jobs
lto-wrapper: note: see the ‘-flto’ option documentation for more information
/var/tmp/portage/dev-lang/swi-prolog-9.1.2-r1/work/swipl-9.1.2/packages/xpce/src/gra/device.c:
In function ‘layoutDialogDevice’:
/var/tmp/portage/dev-lang/swi-prolog-9.1.2-r1/work/swipl-9.1.2/packages/xpce/src/gra/device.c:1526:1:
error: type mismatch in ‘array_ref’
 1526 | layoutDialogDevice(Device d, Size gap, Size bb, Size border)
      | ^
struct name

struct bname

# .MEM_1457 = VDEF <.MEM_1425>
ht_1093->refer = &builtin_names[1542];
during GIMPLE pass: fixup_cfg
/var/tmp/portage/dev-lang/swi-prolog-9.1.2-r1/work/swipl-9.1.2/packages/xpce/src/gra/device.c:1526:1:
internal compiler error: verify_gimple failed
0x55597c3245f4 verify_gimple_in_cfg(function*, bool, bool)
[...]
```