This quite likely means that the relevant bit of code has something which 
is classed as undefined behaviour in C/C++.

-- 
  Sent from a phone, apologies for poor formatting.

On 8 December 2024 19:52:46 izder456 <izder456@disroot.org> wrote:

> On Sun, 8 Dec 2024 19:22:09 +0000
> Stuart Henderson <stu@spacehopper.org> wrote:
>
>> On 2024/12/08 12:48, izder456 wrote:
>>> This leads me to believe that ports uses some non-default compiler
>>> flags that clang on amd64 base doesn't otherwise use by default.
>>
>> Compare the compiler commands printed when it builds?
>
> Duh! Thanks for keeping me in check. Seems that ports adds a -O2 -pipe
> to the compiler flags. -pipe itself is fine, but -O2 and above seems to
> cause instability, so I set CFLAGS & CXXFLAGS to -O1 -pipe, things seem
> AOK!
>
> Thanks again Stuart, this was rather obvious- silly me.
>
> Appreciated-
>
> --
> iz (they/them)
>
>> i like to say mundane things,
>> there are too many uninteresting things
>> that go unnoticed.
>
> izder456 (dot) neocities (dot) org