christos@astron.com wrote:

> >I.e. the question is "doesn't gcc4 assume such static variables might
> >be changed in the interrupt context in the same source?"
> 
> This is what I meant; gcc does not know that this can happen. How could it?

Okay, just I'm afraid we may have to add more volatiles
in various sources if not. Thanks.
---
Izumi Tsutsui