[Bug fortran/49103] [4.6/4.7 Regression] local variables exchange values / wrong code with -O3

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49103

--- Comment #13 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-06-13 
08:41:35 UTC ---
(In reply to comment #12)
> This untested hack is an attempt to avoid reverting my patch

Submitted version of the workaround patch 4.6:
http://gcc.gnu.org/ml/gcc-patches/2011-06/msg00480.html