https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90213
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Fri Aug 30 07:57:47 2019 New Revision: 275060 URL: https://gcc.gnu.org/viewcvs?rev=275060&root=gcc&view=rev Log: 2019-08-30 Richard Biener <rguent...@suse.de> Backport from mainline 2019-04-24 Richard Biener <rguent...@suse.de> PR middle-end/90213 * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication by size and BITS_PER_UNIT on poly-wide-ints. 2019-04-11 Richard Biener <rguent...@suse.de> PR tree-optimization/90020 * tree-ssa-sccvn.c (vn_reference_may_trap): New function. * tree-ssa-sccvn.h (vn_reference_may_trap): Declare. * tree-ssa-pre.c (compute_avail): Use it to not put possibly trapping references after a call that might not return into EXP_GEN. * gcse.c (compute_hash_table_work): Do not elide marking a block containing a call if the call might not return. * gcc.dg/torture/pr90020.c: New testcase. Added: branches/gcc-8-branch/gcc/testsuite/gcc.dg/torture/pr90020.c Modified: branches/gcc-8-branch/gcc/ChangeLog branches/gcc-8-branch/gcc/gcse.c branches/gcc-8-branch/gcc/gimple-fold.c branches/gcc-8-branch/gcc/testsuite/ChangeLog branches/gcc-8-branch/gcc/tree-ssa-pre.c branches/gcc-8-branch/gcc/tree-ssa-sccvn.c branches/gcc-8-branch/gcc/tree-ssa-sccvn.h