[Bug tree-optimization/50213] [4.6/4.7 Regression] Regression in space-optimized code relative to 4.5.x

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50213

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-09-06 
17:08:57 UTC ---
It seems that in the loop it is changed then again by RTL fwprop2.  Why it
isn't done by fwprop2 with -fno-tree-forwprop is a question...