[Bug target/98341] New: [11 Regression] Ada bootstrap fails with Storage_Error stack overflow or erroneous memory access on m68k

["glaubitz at physik dot fu-berlin.de" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98341

            Bug ID: 98341
           Summary: [11 Regression] Ada bootstrap fails with Storage_Error
                    stack overflow or erroneous memory access on m68k
           Product: gcc
           Version: 11.0
               URL: https://buildd.debian.org/status/fetch.php?pkg=gcc-sna
                    pshot&arch=m68k&ver=1%3A20201214-1&stamp=1608126919&ra
                    w=0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: glaubitz at physik dot fu-berlin.de
  Target Milestone: ---
            Target: m68k-*-*

Bootstrapping Ada works fine with gcc-10, but is broken with gcc-11/trunk:

+===========================GNAT BUG DETECTED==============================+
| 11.0.0 20201214 (experimental) [master revision
cf7efe2d36f:0bf15ad54b9:ab28eac607637a641fbec27c5f6bbe9b6197c80f]
(m68k-linux-gnu) |
| Storage_Error stack overflow or erroneous memory access                  |
| No source file position information available                            |
| 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/sem_aggr.adb
../../src/gcc/ada/sem_aggr.ads
../../src/gcc/ada/types.ads
../../src/gcc/ada/libgnat/unchconv.ads
../../src/gcc/ada/libgnat/unchdeal.ads
../../src/gcc/ada/aspects.ads
../../src/gcc/ada/namet.ads
../../src/gcc/ada/alloc.ads
../../src/gcc/ada/hostparm.ads
../../src/gcc/ada/table.ads
ada/snames.ads
../../src/gcc/ada/atree.ads
../../src/gcc/ada/sinfo.ads
../../src/gcc/ada/uintp.ads
../../src/gcc/ada/urealp.ads
../../src/gcc/ada/einfo.ads
../../src/gcc/ada/checks.ads
../../src/gcc/ada/errout.ads
../../src/gcc/ada/err_vars.ads
../../src/gcc/ada/erroutc.ads
../../src/gcc/ada/elists.ads
../../src/gcc/ada/expander.ads
../../src/gcc/ada/exp_ch6.ads
../../src/gcc/ada/exp_tss.ads
../../src/gcc/ada/exp_util.ads
../../src/gcc/ada/rtsfind.ads
../../src/gcc/ada/freeze.ads
../../src/gcc/ada/itypes.ads
../../src/gcc/ada/sem_util.ads
../../src/gcc/ada/opt.ads
../../src/gcc/ada/libgnat/s-string.ads
../../src/gcc/ada/libgnat/ada.ads
../../src/gcc/ada/libgnat/a-uncdea.ads
../../src/gcc/ada/libgnat/s-wchcon.ads
../../src/gcc/ada/lib.ads
../../src/gcc/ada/libgnat/gnat.ads
../../src/gcc/ada/libgnat/g-htable.ads
../../src/gcc/ada/libgnat/s-htable.ads
../../src/gcc/ada/lib-xref.ads
../../src/gcc/ada/spark_xrefs.ads
../../src/gcc/ada/namet-sp.ads
ada/nmake.ads
../../src/gcc/ada/nlists.ads
../../src/gcc/ada/restrict.ads
../../src/gcc/ada/rident.ads
../../src/gcc/ada/libgnat/s-rident.ads
../../src/gcc/ada/sem.ads
../../src/gcc/ada/sem_aux.ads
../../src/gcc/ada/sem_cat.ads
../../src/gcc/ada/sem_ch3.ads
../../src/gcc/ada/sem_ch5.ads
../../src/gcc/ada/sem_ch8.ads
../../src/gcc/ada/sem_ch13.ads
../../src/gcc/ada/sem_disp.ads
../../src/gcc/ada/sem_dim.ads
../../src/gcc/ada/sem_eval.ads
../../src/gcc/ada/sem_res.ads
../../src/gcc/ada/sem_type.ads
../../src/gcc/ada/sem_warn.ads
../../src/gcc/ada/stringt.ads
../../src/gcc/ada/stand.ads
../../src/gcc/ada/style.ads
../../src/gcc/ada/styleg.ads
../../src/gcc/ada/targparm.ads
../../src/gcc/ada/tbuild.ads
../../src/gcc/ada/ttypes.ads
../../src/gcc/ada/set_targ.ads
../../src/gcc/ada/libgnat/s-stalib.ads
../../src/gcc/ada/libgnat/a-unccon.ads
../../src/gcc/ada/libgnat/s-exctab.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-except.ads
../../src/gcc/ada/libgnat/s-parame.ads
../../src/gcc/ada/libgnat/s-traent.ads
../../src/gcc/ada/atree.adb
../../src/gcc/ada/debug.ads
../../src/gcc/ada/output.ads
../../src/gcc/ada/libgnat/s-os_lib.ads
../../src/gcc/ada/sinput.ads
../../src/gcc/ada/casing.ads
../../src/gcc/ada/libgnat/g-hesorg.ads

compilation abandoned
make[5]: *** [../../src/gcc/ada/gcc-interface/Make-lang.in:139: ada/sem_aggr.o]
Error 1
make[5]: *** Waiting for unfinished jobs....
rm gpl.pod cpp.pod fsf-funding.pod gcc.pod gfdl.pod gcov-tool.pod lto-dump.pod
gcov.pod gcov-dump.pod gdc.pod gfortran.pod