[Bug rtl-optimization/55158] [4.8 Regression] segfault in schedule_region at -O3

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55158

--- Comment #17 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-12-04 09:29:50 UTC ---
Created attachment 28871
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28871
Testsuite results with tentative fix