Re: [ft-devel] freetype, undefined behaviour, and clang

[suzuki toshiya]

Nothing to say, I have to try.

Yet I've not installed clang in my daily-using machine,
but it is Debian and it won't be so hard to install clang.
Also my MacBook already has (an old) clang.

Regards,
mpsuzuki

Sean McBride wrote:
> On Wed, 23 Nov 2011 03:00:06 +0900, suzuki toshiya said:
> 
>> Thanks, I have to thank you (as always) for finding the issue.
>> The part was introduced by me,
>>
>> commit 5d3ff05615dda6d1325ed612381a17a0df04c975
>> Author: suzuki toshiya <address@hidden>
>> Date:   Sat Aug 1 00:32:24 2009 +0900
>>
>>    cache: Check higher bits in flags for non ILP32 systems.
>>
>> and I remember there are more similar codes to deal with the
>> higher bits in the part mixing long & int variables. Maybe
>> bitmask calculation would be better than playing with the
>> MIN/MAX.
> 
> Suzuki-san,
> 
> Do you have clang?  Can you try building freetype with 
> -fcatch-undefined-behavior and -ftrapv to fix other issues it finds?
> 
> Cheers,
>