[Bug tree-optimization/51879] Missed tail merging with non-const/pure calls

[vries at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879

--- Comment #8 from vries at gcc dot gnu.org 2012-02-01 11:20:31 UTC ---
submitted patch: http://gcc.gnu.org/ml/gcc-patches/2012-01/msg01513.html