https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78185
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Wed Nov 23 14:31:16 2016 New Revision: 242756 URL: https://gcc.gnu.org/viewcvs?rev=242756&root=gcc&view=rev Log: 2016-11-23 Richard Biener <rguent...@suse.de> Backport from mainline 2016-11-23 Richard Biener <rguent...@suse.de> PR lto/78472 * tree.c (gimple_canonical_types_compatible_p): Ignore zero-sized fields. lto/ * lto.c (hash_canonical_type): Ignore zero-sized fields. * g++.dg/lto/pr78472_0.c: New testcase. * g++.dg/lto/pr78472_1.C: Likewise. 2016-11-17 Richard Biener <rguent...@suse.de> PR middle-end/78305 * fold-const.c (negate_expr_p): Fix multiplication case. * gcc.dg/torture/pr78305.c: New testcase. 2016-11-16 Richard Biener <rguent...@suse.de> PR middle-end/78333 * gimplify.c (gimplify_function_tree): Do not instrument GNU extern inline functions. * gcc.dg/pr78333.c: New testcase. 2016-11-07 Richard Biener <rguent...@suse.de> PR tree-optimization/78228 * tree-ssa-phiopt.c (abs_replacement): Avoid introducing undefined behavior. * gcc.dg/tree-ssa/phi-opt-15.c: New testcase. 2016-11-04 Richard Biener <rguent...@suse.de> PR middle-end/78185 * loop-invariant.c (find_exits): Record entering inner loops as possibly exiting to handle infinite sub-loops. * tree-ssa-loop-im.c: Include tree-ssa-loop-niter.h. (fill_always_executed_in_1): Honor infinite child loops. * gcc.dg/pr78185.c: New testcase. 2016-10-06 Richard Biener <rguent...@suse.de> PR tree-optimization/77855 * tree-ssa-pre.c (prune_clobbered_mems): Queue exprs to remove instead of removing the current item while iterating over the set which is not safe. * gcc.dg/torture/pr77855.c: New testcase. Added: branches/gcc-6-branch/gcc/testsuite/g++.dg/lto/pr78472_0.c branches/gcc-6-branch/gcc/testsuite/g++.dg/lto/pr78472_1.C branches/gcc-6-branch/gcc/testsuite/gcc.dg/pr78185.c branches/gcc-6-branch/gcc/testsuite/gcc.dg/pr78333.c branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr77855.c branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr78305.c branches/gcc-6-branch/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-15.c Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/fold-const.c branches/gcc-6-branch/gcc/gimplify.c branches/gcc-6-branch/gcc/loop-invariant.c branches/gcc-6-branch/gcc/lto/ChangeLog branches/gcc-6-branch/gcc/lto/lto.c branches/gcc-6-branch/gcc/testsuite/ChangeLog branches/gcc-6-branch/gcc/tree-ssa-loop-im.c branches/gcc-6-branch/gcc/tree-ssa-phiopt.c branches/gcc-6-branch/gcc/tree-ssa-pre.c branches/gcc-6-branch/gcc/tree.c