[Bug ada/46192] renaming of a volatile variable generates wrong code

[rolf.ebert.gcc at gmx dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46192

--- Comment #4 from Rolf Ebert <rolf.ebert.gcc at gmx dot de> 2012-01-16 
22:04:39 UTC ---
The problem is still present in gcc-4.7 snapshot as of 2012-01-14 (tested on
Linux Debian)