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From: "carlosgalvezp at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/31331] New: Wenum-constexpr-conversion should be fixed,
 soon treated as a hard error
Date: Fri, 02 Feb 2024 20:36:13 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31331

            Bug ID: 31331
           Summary: Wenum-constexpr-conversion should be fixed, soon
                    treated as a hard error
           Product: gdb
           Version: HEAD
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: carlosgalvezp at gmail dot com
  Target Milestone: ---

Hi!

In Clang we are looking to turn the -Wenum-constexpr-conversion warning int=
o a
hard error, since it's UB detected in a constexpr context, which is mandate=
d by
the Standard to be flagged. See discussion:

https://github.com/llvm/llvm-project/issues/59036

We see that binutils-gdb is currently suppressing the warning:

https://sourceware.org/git/?p=3Dbinutils-gdb.git;a=3Dblob;f=3Dinclude/diagn=
ostics.h;h=3D8cc2b493d2c02ba7dbc5879207746107ad7143a0;hb=3Drefs/heads/maste=
r#l81

https://sourceware.org/git/?p=3Dbinutils-gdb.git;a=3Dblob;f=3Dgdbsupport/en=
um-flags.h;hb=3De58beedf2c8a1e0c78e0f57aeab3934de9416bfc#l95

Could the code be fixed instead? We naturally don't want to break important
packages such as this one so we are currently waiting for fixes.

Thanks!

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