On Mon, Mar 13, 2023, 04:26 John Cowan <cowan@ccil.org> wrote:

>
>
> On Sun, Mar 12, 2023 at 7:40 AM Dan Cross <crossd@gmail.com> wrote:
>
>
>> It is certainly a shame that modern compiler writers have become
>> essentially hostile to programmers in their pursuit of ever more aggressive
>> optimizations based on rigid readings of the standard, common sense be
>> damned.
>>
>
> Not at all.  It is clear that mainstream C and C++ compilers optimize for
> the features most important to mainstream C and C++ programmers, which are:
>
> 1) Execution speed.
>
> 2) Execution speed.
>
> 3) I lied; there is no 3.
>
> If those are not your priorities, use a non-mainstream compiler or a
> different programming language.
>

Or you can ask GCC to respect your view of the language with things like
-fno-strict-aliasing, -fwrapv, and -fno-trapv.

>