Re: [Nasm-devel] NASM 2.12rc3 - FINAL RELEASE CANDIDATE

[H. P. A. <hp...@zy...>]

On 02/26/16 23:50, H. Peter Anvin wrote:
>>
>> I cannot reproduce this with gcc 5.3.1 or clang 3.5 on Fedora.  It
>> would 
>> be highly useful if you could:
>>
>> a) configure with --enable-werror
>> b) make sure you do "make clean" between trying compilers
>> c) try compiling with -O0
>> d) try changing uint64_t on line 311 of assemble.c to int64_t
>>
>> The most logical explanation is that the compiler miscompiles 
>> abs((int)size) where size is uint64_t.  However, this is certainly not 
>> true for all the three compilers listed.
>>
>> If we can narrow this down to a specific compiler it might be
>> worthwhile 
>> to make a bug report.
>>
>> 	-hpa
>  
>
> One more thing: try adding the -fwrap option to see if that fixes the
> problem, especially if the problem goes away with -O0.
> 

That should have been -fwrapv.

	-hpa