[cfe-commits] [libcxx] r161755 - /libcxx/trunk/include/type_traits

[Howard Hinnant]

On Aug 13, 2012, at 10:12 PM, Eli Friedman <eli.friedman at gmail.com> wrote:

> On Mon, Aug 13, 2012 at 5:29 AM, Howard Hinnant <hhinnant at apple.com> wrote:
>> Author: hhinnant
>> Date: Mon Aug 13 07:29:17 2012
>> New Revision: 161755
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=161755&view=rev
>> Log:
>> Patch constributed by Michel Moren in http://llvm.org/bugs/show_bug.cgi?id=13592 .  Fixes is_convertible<From, To> when To is an abstract type.
>> 
>> Modified:
>>    libcxx/trunk/include/type_traits
>> 
>> Modified: libcxx/trunk/include/type_traits
>> URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/type_traits?rev=161755&r1=161754&r2=161755&view=diff
>> ==============================================================================
>> --- libcxx/trunk/include/type_traits (original)
>> +++ libcxx/trunk/include/type_traits Mon Aug 13 07:29:17 2012
>> @@ -612,7 +612,8 @@
>> #if __has_feature(is_convertible_to)
>> 
>> template <class _T1, class _T2> struct _LIBCPP_VISIBLE is_convertible
>> -    : public integral_constant<bool, __is_convertible_to(_T1, _T2)> {};
>> +    : public integral_constant<bool, __is_convertible_to(_T1, _T2) &&
>> +                                     !is_abstract<_T2>::value> {};
> 
> I committed a fix to clang in r161828.
> 
> -Eli

Thanks Eli!

Howard