https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70931
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Thu Jul 7 11:46:08 2016 New Revision: 238087 URL: https://gcc.gnu.org/viewcvs?rev=238087&root=gcc&view=rev Log: 2016-07-07 Richard Biener <rguent...@suse.de> Backport from mainline 2016-04-04 Richard Biener <rguent...@suse.de> PR rtl-optimization/70484 * rtl.h (canon_output_dependence): Declare. * alias.c (canon_output_dependence): New function. * dse.c (record_store): Use canon_output_dependence rather than canon_true_dependence. * gcc.dg/torture/pr70484.c: New testcase. 2016-06-08 Richard Biener <rguent...@suse.de> PR tree-optimization/71452 * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the type used for the SSA rewrite has enough precision to cover the dynamic type of the location. * gcc.dg/torture/pr71452.c: New testcase. 2016-05-06 Richard Biener <rguent...@suse.de> PR middle-end/70931 * dwarf2out.c (native_encode_initializer): Skip zero-sized fields. * gfortran.dg/pr70931.f90: New testcase. 2016-03-01 Richard Biener <rguent...@suse.de> PR middle-end/70022 * fold-const.c (fold_indirect_ref_1): Fix range checking for vector BIT_FIELD_REF extract. * gcc.dg/pr70022.c: New testcase. Added: branches/gcc-4_9-branch/gcc/testsuite/g++.dg/torture/pr71452.C branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/pr70022.c branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr70484.c branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr71452.c branches/gcc-4_9-branch/gcc/testsuite/gfortran.dg/pr70931.f90 Modified: branches/gcc-4_9-branch/gcc/ChangeLog branches/gcc-4_9-branch/gcc/alias.c branches/gcc-4_9-branch/gcc/dse.c branches/gcc-4_9-branch/gcc/dwarf2out.c branches/gcc-4_9-branch/gcc/fold-const.c branches/gcc-4_9-branch/gcc/rtl.h branches/gcc-4_9-branch/gcc/testsuite/ChangeLog branches/gcc-4_9-branch/gcc/tree-ssa.c