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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug ada/101970] [11/12 regression] ICE on 'Enum_Rep for the enum
 that filled its representation range
Date: Sun, 12 Sep 2021 10:41:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101970

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2021-09-12
                 CC|                            |ebotcazou at gcc dot gnu.o=
rg
     Ever confirmed|0                           |1

--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
This raises an assertion failure on the mainline:

eric@fomalhaut:~/gnat> ~/install/gcc/bin/gcc -c p.adb
+=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3DGNAT BUG DETECTED=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D+
| 12.0.0 20210909 (experimental) (x86_64-suse-linux) Assert_Failure
checks.adb:7793|
| Error detected at p.adb:107:44                                           |
| Compiling p.adb=20

but this seems to be quite an artificial testcase.=