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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug testsuite/29416] New: [gdb, testsuite/aarch64] FAIL:
 gdb.ada/literals.exp: print 16#ffffffffffffffff#
Date: Wed, 27 Jul 2022 09:56:15 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29416

            Bug ID: 29416
           Summary: [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp:
                    print 16#ffffffffffffffff#
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

On aarch64, I run into:
...
(gdb) print 16#ffffffffffffffff#^M
$7 =3D 18446744073709551615^M
(gdb) FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff#
...

On x86_64 instead, I get:
...
(gdb) print 16#ffffffffffffffff#^M
$7 =3D -1^M
(gdb) PASS: gdb.ada/literals.exp: print 16#ffffffffffffffff#
...

I can reproduce this on x86_64-linux using:
...
$ gdb -q -batch -ex "set lang ada" -ex "set arch i386" -ex "print
16#ffffffffffffffff#"
The target architecture is set to "i386".
$1 =3D -1
$ gdb -q -batch -ex "set lang ada" -ex "set arch aarch64" -ex "print
16#ffffffffffffffff#"
The target architecture is set to "aarch64".
$1 =3D 18446744073709551615
...

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