https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66793
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Mon Sep 21 09:55:57 2015 New Revision: 227961 URL: https://gcc.gnu.org/viewcvs?rev=227961&root=gcc&view=rev Log: 2015-09-21 Richard Biener <rguent...@suse.de> Backport from mainline 2015-07-08 Richard Biener <rguent...@suse.de> PR tree-optimization/66793 * gimple-ssa-isolate-paths.c (insert_trap_and_remove_trailing_statemen): Properly split the block after stmts ending it. * gcc.dg/torture/pr66793.c: New testcase. 2015-08-05 Richard Biener <rguent...@suse.de> PR tree-optimization/67055 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Handle NULL gimple_block. * g++.dg/torture/pr67055.C: New testcase. 2015-08-05 Richard Biener <rguent...@suse.de> PR tree-optimization/67121 * tree-if-conv.c (combine_blocks): Clear range-info produced by stmts no longer executed conditionally. * gcc.dg/torture/pr67121.c: New testcase. 2015-09-16 Richard Biener <rguent...@suse.de> PR middle-end/67271 * fold-const.c (native_encode_expr): Bail out on bogus offsets. * gcc.dg/pr67271.c: New testcase. 2015-07-22 Richard Biener <rguent...@suse.de> PR tree-optimization/66952 * tree-ssa-ifcombine.c (pass_tree_ifcombine::execute): For blocks we end up executing unconditionally reset all SSA info such as range and alignment. * tree-ssanames.h (reset_flow_sensitive_info): Declare. * tree-ssanames.c (reset_flow_sensitive_info): New function. * gcc.dg/torture/pr66952.c: New testcase. 2015-09-15 Richard Biener <rguent...@suse.de> PR tree-optimization/67470 * tree-ssa-loop-im.c (execute_sm_if_changed): Preserve PHI structure for PHI hoisting by inserting a forwarder block if appropriate. * gcc.dg/torture/pr67470.c: New testcase. Added: branches/gcc-5-branch/gcc/testsuite/g++.dg/torture/pr67055.C branches/gcc-5-branch/gcc/testsuite/gcc.dg/pr67271.c branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr66793.c branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr66952.c branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr67121.c branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr67470.c Modified: branches/gcc-5-branch/gcc/ChangeLog branches/gcc-5-branch/gcc/fold-const.c branches/gcc-5-branch/gcc/gimple-ssa-isolate-paths.c branches/gcc-5-branch/gcc/testsuite/ChangeLog branches/gcc-5-branch/gcc/tree-if-conv.c branches/gcc-5-branch/gcc/tree-ssa-ccp.c branches/gcc-5-branch/gcc/tree-ssa-ifcombine.c branches/gcc-5-branch/gcc/tree-ssa-loop-im.c branches/gcc-5-branch/gcc/tree-ssanames.c branches/gcc-5-branch/gcc/tree-ssanames.h