https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84607
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Mar 6 10:01:52 2018 New Revision: 258274 URL: https://gcc.gnu.org/viewcvs?rev=258274&root=gcc&view=rev Log: 2018-03-06 Richard Biener <rguent...@suse.de> Backport from mainline 2018-03-05 Richard Biener <rguent...@suse.de> PR tree-optimization/84486 * tree-ssa-pre.c (create_expression_by_pieces): Remove dead code. When inserting a __builtin_assume_aligned call set the LHS SSA name alignment info accordingly. 2018-02-28 Richard Biener <rguent...@suse.de> PR middle-end/84607 * genmatch.c (capture_info::walk_match): Do not mark captured expressions without operands as expr_p given they act more like predicates and should be subject to "lost tail" side-effect preserving. * gcc.dg/pr84607.c: New testcase. Added: branches/gcc-7-branch/gcc/testsuite/gcc.dg/pr84607.c Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/genmatch.c branches/gcc-7-branch/gcc/testsuite/ChangeLog branches/gcc-7-branch/gcc/tree-ssa-pre.c
