https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78496
--- Comment #8 from Jeffrey A. Law <law at gcc dot gnu.org> --- Author: law Date: Wed May 3 16:33:45 2017 New Revision: 247556 URL: https://gcc.gnu.org/viewcvs?rev=247556&root=gcc&view=rev Log: PR tree-optimization/78496 * tree-vrp.c (simplify_cond_using_ranges_1): Renamed from simplify_cond_using_ranges. Split off code to walk backwards through casts into ... (simplify_cond_using_ranges_2): New function. (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1. (execute_vrp): After identifying jump threads, call simplify_cond_using_ranges_2. PR tree-optimization/78496 * gcc.dg/tree-ssa/ssa-thread-15.c: New test. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-15.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vrp.c
