Creator of LLVM, Clang, and Swift Says To Not Write Security Critical Code In C/C++

[jmh530 via Digitalmars-d]

On Tuesday, 14 July 2015 at 15:09:55 UTC, Kagamin wrote:
> On Tuesday, 14 July 2015 at 12:59:34 UTC, Ola Fosheim Grøstad 
> wrote:
>> The "problem" is cultural. C programmers have this idea that 
>> they should compile everything with the compiler/compiler 
>> setting that gives the absolutely highest performance no 
>> matter what the quality the code.
>
> It's believed that there's no problem with optimized code and 
> optimizations don't change behavior.
>

I thought this was an interesting illustration of your point.

https://www.reddit.com/r/programming/comments/3d7xxn/crazy_performance_deviations_after_replacing/