Curiously Recurring C++ Bugs

[Paul Backus]

On Friday, 19 July 2024 at 14:34:33 UTC, cc wrote:
> On Friday, 12 July 2024 at 20:13:24 UTC, Walter Bright wrote:
>> `-release` hasn't turned of bounds checking for something like 
>> 15 years. To disable it, `-noboundscheck` is required.
>
> This is very interesting because until this past week or so I 
> thought -release implied -noboundscheck as well.  I think I've 
> been using D around 8 or 9 years now.  I had already stopped 
> using -release some time ago, but nonetheless, whatever 
> documentation there was for those command line args must have 
> been veeery slow to catch up to reality.

-release includes -boundscheck=safeonly, which turns off bounds 
checking in @system and @trusted code.

Most D code is not (yet) @safe, so the result is that most D code 
will have its bounds checks removed when using -release.