* [PATCH] Fix warning in symtab.c
@ 2021-07-05 17:45 Tom Tromey
2021-07-05 17:48 ` Simon Marchi
0 siblings, 1 reply; 4+ messages in thread
From: Tom Tromey @ 2021-07-05 17:45 UTC (permalink / raw)
To: gdb-patches; +Cc: Tom Tromey
The compiler gives this warning when building symtab.c:
../../binutils-gdb/gdb/symtab.c:4247:28: warning: ‘to_match’ may be used uninitialized in this function [-Wmaybe-uninitialized]
This patch fixes the warning by adding a gdb_assert_not_reached.
---
gdb/symtab.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gdb/symtab.c b/gdb/symtab.c
index 6a9c3dce6af..fa3f42207ec 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -4242,6 +4242,8 @@ info_sources_filter::matches (const char *fullname) const
case match_on::FULLNAME:
to_match = fullname;
break;
+ default:
+ gdb_assert_not_reached ("bad m_match_type");
}
if (m_c_regexp->exec (to_match, 0, NULL, 0) != 0)
--
2.26.3
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] Fix warning in symtab.c
2021-07-05 17:45 [PATCH] Fix warning in symtab.c Tom Tromey
@ 2021-07-05 17:48 ` Simon Marchi
2021-07-08 19:26 ` Simon Marchi
0 siblings, 1 reply; 4+ messages in thread
From: Simon Marchi @ 2021-07-05 17:48 UTC (permalink / raw)
To: Tom Tromey, gdb-patches
On 2021-07-05 1:45 p.m., Tom Tromey wrote:
> The compiler gives this warning when building symtab.c:
>
> ../../binutils-gdb/gdb/symtab.c:4247:28: warning: ‘to_match’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>
> This patch fixes the warning by adding a gdb_assert_not_reached.
> ---
> gdb/symtab.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/gdb/symtab.c b/gdb/symtab.c
> index 6a9c3dce6af..fa3f42207ec 100644
> --- a/gdb/symtab.c
> +++ b/gdb/symtab.c
> @@ -4242,6 +4242,8 @@ info_sources_filter::matches (const char *fullname) const
> case match_on::FULLNAME:
> to_match = fullname;
> break;
> + default:
> + gdb_assert_not_reached ("bad m_match_type");
> }
>
> if (m_c_regexp->exec (to_match, 0, NULL, 0) != 0)
>
Thanks, that LGTM (and obvious-ish).
Simon
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] Fix warning in symtab.c
2021-07-05 17:48 ` Simon Marchi
@ 2021-07-08 19:26 ` Simon Marchi
2021-07-11 14:36 ` Joel Brobecker
0 siblings, 1 reply; 4+ messages in thread
From: Simon Marchi @ 2021-07-08 19:26 UTC (permalink / raw)
To: Tom Tromey, gdb-patches
On 2021-07-05 1:48 p.m., Simon Marchi via Gdb-patches wrote:> On 2021-07-05 1:45 p.m., Tom Tromey wrote:
>> The compiler gives this warning when building symtab.c:
>>
>> ../../binutils-gdb/gdb/symtab.c:4247:28: warning: ‘to_match’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>>
>> This patch fixes the warning by adding a gdb_assert_not_reached.
>> ---
>> gdb/symtab.c | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/gdb/symtab.c b/gdb/symtab.c
>> index 6a9c3dce6af..fa3f42207ec 100644
>> --- a/gdb/symtab.c
>> +++ b/gdb/symtab.c
>> @@ -4242,6 +4242,8 @@ info_sources_filter::matches (const char *fullname) const
>> case match_on::FULLNAME:
>> to_match = fullname;
>> break;
>> + default:
>> + gdb_assert_not_reached ("bad m_match_type");
>> }
>>
>> if (m_c_regexp->exec (to_match, 0, NULL, 0) != 0)
>>
>
> Thanks, that LGTM (and obvious-ish).
Hi Tom,
When you push this, it would be good to push it to the gdb-11-branch as
well (with a ChangeLog entry). See:
https://sourceware.org/pipermail/gdb-patches/2021-July/180781.html
Thanks,
Simon
^ permalink raw reply [flat|nested] 4+ messages in thread
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2021-07-05 17:45 [PATCH] Fix warning in symtab.c Tom Tromey
2021-07-05 17:48 ` Simon Marchi
2021-07-08 19:26 ` Simon Marchi
2021-07-11 14:36 ` Joel Brobecker
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