[mbrock]

Yet the standard does not tell you what the compilers do.

Linux works on a wide variety of platforms. It also relies on those platforms behaving predictably with respect to what the standard leaves undefined.

This description of ISO UB as a totally insane wonderland of random, malevolent semantics just doesn't describe reality.

[saagarjha]

Up until the compilers do something to your code that you don’t understand.

[mbrock]

yeah then I have to learn how it works and what it assumes and how I can control it and maybe switch to a more well behaved compiler if it's truly insane