[Bug ada/111283] New: gnat bootstrap broken on trunk 20230902 on 32bit targets

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111283

            Bug ID: 111283
           Summary: gnat bootstrap broken on trunk 20230902 on 32bit
                    targets
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ada
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org
                CC: dkm at gcc dot gnu.org
  Target Milestone: ---

seen with trunk 20230902 on at least arm-linux-gnueabihf, i686-linux-gnu and
powerpc-linux-gnu:

/<<PKGBUILDDIR>>/build/./prev-gcc/xgcc -B/<<PKGBUILDDIR>>/build/./prev-gcc/
-B/usr/lib/gcc-snapshot/arm-linux-gnueabihf/bin/
-B/usr/lib/gcc-snapshot/arm-linux-gnueabihf/bin/
-B/usr/lib/gcc-snapshot/arm-linux-gnueabihf/lib/ -isystem
/usr/lib/gcc-snapshot/arm-linux-gnueabihf/include -isystem
/usr/lib/gcc-snapshot/arm-linux-gnueabihf/sys-include    -c -g -O2
-fprofile-use -fprofile-reproducible=parallel-runs  -gnatpg -gnata -W -Wall
-fno-PIE -nostdinc -I- -I. -Iada/generated -Iada -I../../src/gcc/ada
-Iada/libgnat -I../../src/gcc/ada/libgnat -Iada/gcc-interface
-I../../src/gcc/ada/gcc-interface ../../src/gcc/ada/nlists.adb -o ada/nlists.o
../../src/gcc/ada/nlists.adb: In function 'Nlists.New_List':
../../src/gcc/ada/nlists.adb:787:4: error: probability of edge 15->16 not
initialized
during IPA pass: inline
+===========================GNAT BUG DETECTED==============================+
| 14.0.0 20230902 (experimental) [master r14-3635-g4e2d53c9434]
(arm-linux-gnueabihf) GCC error:|
| verify_flow_info failed                                                  |
| Error detected around ../../src/gcc/ada/nlists.adb:787:4                 |
| Compiling ../../src/gcc/ada/nlists.adb                                   |
| Please submit a bug report; see https://gcc.gnu.org/bugs/ .              |
| Use a subject line meaningful to you and us to track the bug.            |
| Include the entire contents of this bug box in the report.               |
| Include the exact command that you entered.                              |
| Also include sources listed below.                                       |
+==========================================================================+

Please include these source files with error report
Note that list may not be accurate in some cases,
so please double check that the problem can still
be reproduced with the set of files listed.
Consider also -gnatd.n switch (see debug.adb).

../../src/gcc/ada/gcc-interface/system.ads
../../src/gcc/ada/nlists.adb
../../src/gcc/ada/nlists.ads
../../src/gcc/ada/types.ads
../../src/gcc/ada/libgnat/ada.ads
../../src/gcc/ada/libgnat/a-unccon.ads
../../src/gcc/ada/libgnat/a-uncdea.ads
../../src/gcc/ada/alloc.ads
../../src/gcc/ada/atree.ads
../../src/gcc/ada/sinfo.ads
../../src/gcc/ada/namet.ads
../../src/gcc/ada/hostparm.ads
../../src/gcc/ada/table.ads
../../src/gcc/ada/uintp.ads
../../src/gcc/ada/urealp.ads
ada/sinfo-nodes.ads
ada/seinfo.ads
../../src/gcc/ada/output.ads
../../src/gcc/ada/libgnat/s-os_lib.ads
../../src/gcc/ada/libgnat/s-string.ads
../../src/gcc/ada/einfo.ads
ada/snames.ads
../../src/gcc/ada/stand.ads
ada/einfo-entities.ads
../../src/gcc/ada/einfo-utils.ads
../../src/gcc/ada/debug.ads
../../src/gcc/ada/libgnat/s-exctab.ads
../../src/gcc/ada/libgnat/s-stalib.ads
../../src/gcc/ada/libgnat/s-unstyp.ads
../../src/gcc/ada/libgnat/s-conca2.ads
../../src/gcc/ada/libgnat/s-assert.ads
../../src/gcc/ada/libgnat/a-assert.ads
../../src/gcc/ada/table.adb
../../src/gcc/ada/opt.ads
../../src/gcc/ada/libgnat/s-wchcon.ads
../../src/gcc/ada/libgnat/s-memory.ads
../../src/gcc/ada/libgnat/a-except.ads
../../src/gcc/ada/libgnat/s-parame.ads
../../src/gcc/ada/libgnat/s-traent.ads


raised TYPES.UNRECOVERABLE_ERROR : comperr.adb:412