[Bug tree-optimization/52009] Another missed tail merging opportunity

[vries at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52009

--- Comment #2 from vries at gcc dot gnu.org 2012-01-30 20:09:10 UTC ---
Created attachment 26518
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26518
tentative patch