[llvm-commits] Reworked SwitchInst prototype with case-ranges.

[Nuno Lopes]

Quoting Nick Lewycky <nicholas at mxc.ca>:

> Nuno Lopes wrote:
>> - Please don't use function static variables. It's not good for thread
>> safety.
>
> Excuse me? On what platform are function local statics not thread  
> safe? I've been known to advocate using function local statics as  
> the solution to threading problems.

As far as I understand, the initialization of these variables is  
guaranteed to be thread safe by the standard, but not the access to  
them. That means that doing '++counter;' is not thread safe.

Nuno