[patch] Respect known misaligned addresses in set_mem_attributes_minus_bitpos

[Ramana Radhakrishnan]

> This fixes the problem I was originally seeing on a (modified) SPU target
> (and in fact generates fully identical code to what I was getting with my
> back-end work-around).  Ramana, does this fix the ARM problem as well?

Sorry been away on vacation. I believe your committed version does because some of the recent test reports seem to indicate this has been fixed. Updating and testing latest version of trunk now.

cheers
Ramana