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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ada/109881] GNAT BUG DETECTED during RTL pass, raised
 TYPES.UNRECOVERABLE_ERROR
Date: Thu, 18 May 2023 08:48:41 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109881

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2023-05-18
             Status|UNCONFIRMED                 |NEW
                 CC|                            |ebotcazou at gcc dot gnu.o=
rg
     Ever confirmed|0                           |1

--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Still present on the mainline:

/home/eric/install/gcc/lib64/gcc/x86_64-suse-linux/14.0.0/adainclude/s-stoe=
le.adb:
In function 'Zstandard.Streaming_Decompression.Read_Compressed_Data':
/home/eric/install/gcc/lib64/gcc/x86_64-suse-linux/14.0.0/adainclude/s-stoe=
le.adb:68:31:
error: definition in block 5 does not dominate use in block 12
for SSA_NAME: _48 in statement:
_16 =3D _48 & 18446744073709551608;
during GIMPLE pass: ssa
+=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+
| 14.0.0 20230515 (experimental) [master r14-815-gf2afe68a175]
(x86_64-suse-linux) GCC error:|
| verify_ssa failed=