From: Jason Merrill <jason@redhat.com>
To: Nathan Sidwell <nathan@acm.org>, GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [C++ Patch] Fix 66243, silent cast of scoped enum
Date: Tue, 26 May 2015 07:49:00 -0000 [thread overview]
Message-ID: <5563C7FF.6030204@redhat.com> (raw)
In-Reply-To: <5563828D.4090403@acm.org>
On 05/25/2015 04:14 PM, Nathan Sidwell wrote:
> On 05/25/15 15:43, Jason Merrill wrote:
>> On 05/24/2015 07:20 PM, Nathan Sidwell wrote:
>>> - else if (! INTEGRAL_OR_ENUMERATION_TYPE_P (TREE_TYPE (value)))
>>> + else if (! INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P
>>> + (TREE_TYPE (value)))
>>> value = perform_implicit_conversion_flags
>>> (ENUM_UNDERLYING_TYPE (enumtype), value, tf_warning_or_error,
>>> LOOKUP_IMPLICIT | LOOKUP_NO_NARROWING);
>>
>> The change is fine, but I wonder why perform_implicit_conversion_flags
>> was
>> succeeding? I would think it should fail.
>
> It wasn't being executed. The if condition is if *NOT*
> integral-or-enum. The patch changes the check such that p_i_c_f is now
> executed for scoped enums -- and emits an appropriate error.
Ah, of course, thanks.
Jason
prev parent reply other threads:[~2015-05-26 1:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-25 1:26 Nathan Sidwell
2015-05-25 19:52 ` Jason Merrill
2015-05-25 20:29 ` Nathan Sidwell
2015-05-26 7:49 ` Jason Merrill [this message]
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