https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79034
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Thu Jan 26 11:16:49 2017 New Revision: 244926 URL: https://gcc.gnu.org/viewcvs?rev=244926&root=gcc&view=rev Log: 2017-01-26 Richard Biener <rguent...@suse.de> * tree-vrp.c (vrp_visit_assignment_or_call): Use set_defs_to_varying. Backport from mainline 2016-01-10 Richard Biener <rguent...@suse.de> PR tree-optimization/79034 * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Propagate out degenerate PHIs in the joiner. * g++.dg/torture/pr79034.C: New testcase. 2016-12-13 Richard Biener <rguent...@suse.de> PR middle-end/78742 * tree.c (cst_and_fits_in_hwi): Look if the actual value fits. * tree-object-size.c (compute_builtin_object_size): Use tree_fits_shwi_p. * tree-data-ref.c (initialize_matrix_A): Remove excess assert. * gcc.dg/torture/pr78742.c: New testcase. Added: branches/gcc-6-branch/gcc/testsuite/g++.dg/torture/pr79034.C branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr78742.c Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/testsuite/ChangeLog branches/gcc-6-branch/gcc/tree-call-cdce.c branches/gcc-6-branch/gcc/tree-data-ref.c branches/gcc-6-branch/gcc/tree-vrp.c branches/gcc-6-branch/gcc/tree.c
