https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78742
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Dec 13 09:17:42 2016 New Revision: 243598 URL: https://gcc.gnu.org/viewcvs?rev=243598&root=gcc&view=rev Log: 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: trunk/gcc/testsuite/gcc.dg/torture/pr78742.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-data-ref.c trunk/gcc/tree-object-size.c trunk/gcc/tree.c