Division by zero

[Daniel Murphy via Digitalmars-d]

"David Nadlinger"  wrote in message 
news:tqzutmhsvqtjskwvtixq at forum.dlang.org...

> By the way, this (just emitting an x86 idiv even if it the operands are 
> known to trap) will likely be a pain to implement for LDC. There has been 
> an (overly aggressive, on the side of two LLVM devs) discussion about this 
> a year ago or so: 
> http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-April/060930.html.
>
> Personally, I find their stance highly troublesome, as they have 
> introduced undefined behavior that is hard to circumvent for practically 
> no potential performance gain. I just hope we can somehow avoid emitting a 
> branch on every integer division…

That's annoying, but I guess it makes sense given how much division varies 
across platforms.