From: Simon Marchi <simon.marchi@polymtl.ca>
To: Aditya Vidyadhar Kamath <akamath996@gmail.com>,
ulrich.weigand@de.ibm.com, tom@tromey.com
Cc: gdb-patches@sourceware.org, Aditya.Kamath1@ibm.com,
sangamesh.swamy@in.ibm.com
Subject: Re: [PATCH] Fix crash when target-wide-charset doesn't match wchar_t size
Date: Fri, 16 Oct 2026 08:47:36 -0400 [thread overview]
Message-ID: <36afddc4-a342-4bf1-94d6-8735f43280cc@polymtl.ca> (raw)
In-Reply-To: <20261016120502.88374-2-akamath996@gmail.com>
On 10/16/26 8:05 AM, Aditya Vidyadhar Kamath wrote:
> From: Aditya Vidyadhar Kamath <aditya.kamath1@ibm.com>
>
> Tom asked a question [1] which is valid: can setting
> target-wide-charset to an encoding with the wrong unit size crash GDB?
>
> First I compiled gdb/testsuite/gdb.base/wchar.c
>
> gcc -g -maix64 -o /tmp/wchar64 gdb/testsuite/gdb.base/wchar.c
>
> Then debug with GDB and we get the crash
>
> (gdb) b wchar.c:44
> (gdb) run
> (gdb) set target-wide-charset UTF-16
> (gdb) print single
>
> Fatal signal: Segmentation fault
> ----- Backtrace -----
Can you provide the full backtrace where the crash happens?
Simon
next prev parent reply other threads:[~2026-10-16 12:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-16 12:05 Aditya Vidyadhar Kamath
2026-10-16 12:47 ` Simon Marchi [this message]
2026-10-16 13:40 ` Aditya Kamath
2026-10-19 15:37 ` Tom Tromey
2026-10-21 9:01 ` Aditya Kamath
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