[LLVMdev] More careful treatment of floating point exceptions

[Sergey Dmitrouk]

Hi Hal,

> I definitely recommend moving this thread to llvm-commits; that's where
> we do patch review (even if that review recommends an entirely different
> direction).

OK, I'll do that tomorrow with slightly updated patches.

> For Clang, you'll likely want a new flag in LangOptions.

Thanks, this means I found the correct place at the end.  Already added
new flag to LangOptions after looking around a bit more (its Doxygen
documentation is broken because of macros, which misleads).

Thanks,
Sergey