http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49039
--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-07-19 12:44:49 UTC --- Author: jakub Date: Tue Jul 19 12:44:46 2011 New Revision: 176448 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176448 Log: Backport from mainline 2011-05-18 Jakub Jelinek <ja...@redhat.com> PR tree-optimization/49039 * tree-vrp.c (extract_range_from_binary_expr): For MIN_EXPR <~[a, b], ~[c, d]> and MAX_EXPR <~[a, b], ~[c, d]> return ~[MAX_EXPR <a, c>, MIN_EXPR <b, d>]. * gcc.c-torture/execute/pr49039.c: New test. * gcc.dg/tree-ssa/pr49039.c: New test. * g++.dg/torture/pr49039.C: New test. Added: branches/gcc-4_5-branch/gcc/testsuite/g++.dg/torture/pr49039.C branches/gcc-4_5-branch/gcc/testsuite/gcc.c-torture/execute/pr49039.c branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/tree-ssa/pr49039.c Modified: branches/gcc-4_5-branch/gcc/ChangeLog branches/gcc-4_5-branch/gcc/testsuite/ChangeLog branches/gcc-4_5-branch/gcc/tree-vrp.c
