[LLVMdev] windows testing etc

[Duncan Sands]

> > Am I right suppossing that a non-zero return value for the "RUN:"
> > command(s) means failure, and zero means success, and there is no more
> > stuff than that to worry about for knowing the result?
> 
> Yep exactly.

The test fails if any command in the pipeline fails.  There
are some keywords for ignoring or inverting the error result
of commands, though I forget what they are.

Ciao,

Duncan.