* asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
	fixpoint arithmetics.

From-SVN: r250240

	* profile-count.h (profile_probability::from_reg_br_prob_note,
	profile_probability::to_reg_br_prob_note): New functions.
	* doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
	* reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
	* predict.c (probability_reliable_p): Update.
	(edge_probability_reliable_p): Update.
	(br_prob_note_reliable_p): Update.
	(invert_br_probabilities): Update.
	(add_reg_br_prob_note): New function.
	(combine_predictions_for_insn): Update.
	* asan.c (asan_clear_shadow): Update.
	* cfgbuild.c (compute_outgoing_frequencies): Update.
	* cfgrtl.c (force_nonfallthru_and_redirect): Update.
	(update_br_prob_note): Update.
	(rtl_verify_edges): Update.
	(purge_dead_edges): Update.
	(fixup_reorder_chain): Update.
	* emit-rtl.c (try_split): Update.
	* ifcvt.c (cond_exec_process_insns): Update.
	(cond_exec_process_if_block): Update.
	(dead_or_predicable): Update.
	* internal-fn.c (expand_addsub_overflow): Update.
	(expand_neg_overflow): Update.
	(expand_mul_overflow): Update.
	* loop-doloop.c (doloop_modify): Update.
	* loop-unroll.c (compare_and_jump_seq): Update.
	* optabs.c (emit_cmp_and_jump_insn_1): Update.
	* predict.h: Update.
	* reorg.c (mostly_true_jump): Update.
	* rtl.h: Update.
	* config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
	* config/alpha/alpha.c (emit_unlikely_jump): Update.
	* config/arc/arc.c: (emit_unlikely_jump): Update.
	* config/arm/arm.c: (emit_unlikely_jump): Update.
	* config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
	* config/frv/frv.c (frv_print_operand_jump_hint): Update.
	* config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
	(ix86_print_operand): Update.
	(ix86_split_fp_branch): Update.
	(predict_jump): Update.
	* config/ia64/ia64.c (ia64_print_operand): Update.
	* config/mmix/mmix.c (mmix_print_operand): Update.
	* config/powerpcspe/powerpcspe.c (output_cbranch): Update.
	(rs6000_expand_split_stack_prologue): Update.
	* config/rs6000/rs6000.c: Update.
	* config/s390/s390.c (s390_expand_vec_strlen): Update.
	(s390_expand_vec_movstr): Update.
	(s390_expand_cs_tdsi): Update.
	(s390_expand_split_stack_prologue): Update.
	* config/sh/sh.c (sh_print_operand): Update.
	(expand_cbranchsi4): Update.
	(expand_cbranchdi4): Update.
	* config/sparc/sparc.c (output_v9branch): Update.
	* config/spu/spu.c (get_branch_target): Update.
	(ea_load_store_inline): Update.
	* config/tilegx/tilegx.c (cbranch_predicted_p): Update.
	* config/tilepro/tilepro.c: Update.
	* gcc.dg/predict-8.c: Update.

From-SVN: r250239

gcc/
	* asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
	during expansion.
	* builtins.c (expand_asan_emit_allocas_unpoison): Likewise.

From-SVN: r250176

gcc/
	* asan.h (asan_sanitize_allocas_p): Declare.
	* asan.c (asan_sanitize_allocas_p): New function.
	(handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
	(handle_builtin_alloca): Likewise.
	* cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
	if !asan_sanitize_allocas_p.
	* params.def (asan-instrument-allocas): Add new option.
	* params.h (ASAN_PROTECT_ALLOCAS): Define.
	* opts.c (common_handle_option): Disable allocas sanitization for
	KASan by default.

gcc/testsuite/
	* c-c++-common/asan/kasan-alloca-1.c: New test.
	* c-c++-common/asan/kasan-alloca-2.c: Likewise.

From-SVN: r250032

gcc/
	* asan.c: Include gimple-fold.h.
	(get_last_alloca_addr): New function.
	(handle_builtin_stackrestore): Likewise.
	(handle_builtin_alloca): Likewise.
	(asan_emit_allocas_unpoison): Likewise.
	(get_mem_refs_of_builtin_call): Add new parameter, remove const
	quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
	BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
	(instrument_builtin_call): Pass gimple iterator to
	get_mem_refs_of_builtin_call.
	(last_alloca_addr): New global.
	* asan.h (asan_emit_allocas_unpoison): Declare.
	* builtins.c (expand_asan_emit_allocas_unpoison): New function.
	(expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
	* cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
	if function calls alloca.
	* gimple-fold.c (replace_call_with_value): Remove static keyword.
	* gimple-fold.h (replace_call_with_value): Declare.
	* internal-fn.c: Include asan.h.
	* sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
	BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.

gcc/testsuite/
	* c-c++-common/asan/alloca_big_alignment.c: New test.
	* c-c++-common/asan/alloca_detect_custom_size.c: Likewise.
	* c-c++-common/asan/alloca_instruments_all_paddings.c: Likewise.
	* c-c++-common/asan/alloca_loop_unpoisoning.c: Likewise.
	* c-c++-common/asan/alloca_overflow_partial.c: Likewise.
	* c-c++-common/asan/alloca_overflow_right.c: Likewise.
	* c-c++-common/asan/alloca_safe_access.c: Likewise.
	* c-c++-common/asan/alloca_underflow_left.c: Likewise.

From-SVN: r250031

2017-07-03  Martin Liska  <mliska@suse.cz>

	* asan.c (asan_emit_stack_protection): Unpoison just red zones
	and shadow memory of auto variables which are subject of
	use-after-scope sanitization.
	(asan_expand_mark_ifn): Add do set only when is_poison.

From-SVN: r249900

	* asan.c (asan_emit_stack_protection): Update.
	(create_cond_insert_point): Update.
	* auto-profile.c (afdo_propagate_circuit): Update.
	* basic-block.h (struct edge_def): Turn probability to
	profile_probability.
	(EDGE_FREQUENCY): Update.
	* bb-reorder.c (find_traces_1_round): Update.
	(better_edge_p): Update.
	(sanitize_hot_paths): Update.
	* cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
	(make_single_succ_edge): Update.
	(check_bb_profile): Update.
	(dump_edge_info): Update.
	(update_bb_profile_for_threading): Update.
	* cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
	probabilitycount to 0.
	* cfgbuild.c (compute_outgoing_frequencies): Update.
	* cfgcleanup.c (try_forward_edges): Update.
	(outgoing_edges_match): Update.
	(try_crossjump_to_edge): Update.
	* cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
	(expand_gimple_tailcall): Update.
	(construct_init_block): Use make_single_succ_edge.
	(construct_exit_block): Use make_single_succ_edge.
	* cfghooks.c (verify_flow_info): Update.
	(redirect_edge_succ_nodup): Update.
	(split_edge): Update.
	(account_profile_record): Update.
	* cfgloopanal.c (single_likely_exit): Update.
	* cfgloopmanip.c (scale_loop_profile): Update.
	(set_zero_probability): Remove.
	(duplicate_loop_to_header_edge): Update.
	* cfgloopmanip.h (loop_version): Update prototype.
	* cfgrtl.c (try_redirect_by_replacing_jump): Update.
	(force_nonfallthru_and_redirect): Update.
	(update_br_prob_note): Update.
	(rtl_verify_edges): Update.
	(purge_dead_edges): Update.
	(rtl_lv_add_condition_to_bb): Update.
	* cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
	* cgraphunit.c (init_lowered_empty_function): Update.
	(cgraph_node::expand_thunk): Update.
	* cilk-common.c: Include profile-count.h
	* dojump.c (inv): Remove.
	(jumpifnot): Update.
	(jumpifnot_1): Update.
	(do_jump_1): Update.
	(do_jump): Update.
	(do_jump_by_parts_greater_rtx): Update.
	(do_compare_rtx_and_jump): Update.
	* dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
	do_jump_1. do_compare_rtx_and_jump): Update prototype.
	* dwarf2cfi.c: Include profile-count.h
	* except.c (dw2_build_landing_pads): Use make_single_succ_edge.
	(sjlj_emit_dispatch_table): Likewise.
	* explow.c: Include profile-count.h
	* expmed.c (emit_store_flag_force): Update.
	(do_cmp_and_jump): Update.
	* expr.c (compare_by_pieces_d::generate): Update.
	(compare_by_pieces_d::finish_mode): Update.
	(emit_block_move_via_loop): Update.
	(store_expr_with_bounds): Update.
	(store_constructor): Update.
	(expand_expr_real_2): Update.
	(expand_expr_real_1): Update.
	* expr.h (try_casesi, try_tablejump): Update prototypes.
	* gimple-pretty-print.c (dump_probability): Update.
	(dump_profile): New.
	(dump_gimple_label): Update.
	(dump_gimple_bb_header): Update.
	* graph.c (draw_cfg_node_succ_edges): Update.
	* hsa-gen.c (convert_switch_statements): Update.
	* ifcvt.c (cheap_bb_rtx_cost_p): Update.
	(find_if_case_1): Update.
	(find_if_case_2): Update.
	* internal-fn.c (expand_arith_overflow_result_store): Update.
	(expand_addsub_overflow): Update.
	(expand_neg_overflow): Update.
	(expand_mul_overflow): Update.
	(expand_vector_ubsan_overflow): Update.
	* ipa-cp.c (good_cloning_opportunity_p): Update.
	* ipa-split.c (split_function): Use make_single_succ_edge.
	* ipa-utils.c (ipa_merge_profiles): Update.
	* loop-doloop.c (add_test): Update.
	(doloop_modify): Update.
	* loop-unroll.c (compare_and_jump_seq): Update.
	(unroll_loop_runtime_iterations): Update.
	* lra-constraints.c (lra_inheritance): Update.
	* lto-streamer-in.c (input_cfg): Update.
	* lto-streamer-out.c (output_cfg): Update.
	* mcf.c (adjust_cfg_counts): Update.
	* modulo-sched.c (sms_schedule): Update.
	* omp-expand.c (expand_omp_for_init_counts): Update.
	(extract_omp_for_update_vars): Update.
	(expand_omp_ordered_sink): Update.
	(expand_omp_for_ordered_loops): Update.
	(expand_omp_for_generic): Update.
	(expand_omp_for_static_nochunk): Update.
	(expand_omp_for_static_chunk): Update.
	(expand_cilk_for): Update.
	(expand_omp_simd): Update.
	(expand_omp_taskloop_for_outer): Update.
	(expand_omp_taskloop_for_inner): Update.
	* omp-simd-clone.c (simd_clone_adjust): Update.
	* optabs.c (expand_doubleword_shift): Update.
	(expand_abs): Update.
	(emit_cmp_and_jump_insn_1): Update.
	(expand_compare_and_swap_loop): Update.
	* optabs.h (emit_cmp_and_jump_insns): Update prototype.
	* predict.c (predictable_edge_p): Update.
	(edge_probability_reliable_p): Update.
	(set_even_probabilities): Update.
	(combine_predictions_for_insn): Update.
	(combine_predictions_for_bb): Update.
	(propagate_freq): Update.
	(estimate_bb_frequencies): Update.
	(force_edge_cold): Update.
	* profile-count.c (profile_count::dump): Add missing space into dump.
	(profile_count::debug): Add newline.
	(profile_count::differs_from_p): Explicitly convert to unsigned.
	(profile_count::stream_in): Update.
	(profile_probability::dump): New member function.
	(profile_probability::debug): New member function.
	(profile_probability::differs_from_p): New member function.
	(profile_probability::differs_lot_from_p): New member function.
	(profile_probability::stream_in): New member function.
	(profile_probability::stream_out): New member function.
	* profile-count.h (profile_count_quality): Rename to ...
	(profile_quality): ... this one.
	(profile_probability): New.
	(profile_count): Update.
	* profile.c (compute_branch_probabilities): Update.
	* recog.c (peep2_attempt): Update.
	* sched-ebb.c (schedule_ebbs): Update.
	* sched-rgn.c (find_single_block_region): Update.
	(compute_dom_prob_ps): Update.
	(schedule_region): Update.
	* sel-sched-ir.c (compute_succs_info): Update.
	* stmt.c (struct case_node): Update.
	(do_jump_if_equal): Update.
	(get_outgoing_edge_probs): Update.
	(conditional_probability): Update.
	(emit_case_dispatch_table): Update.
	(expand_case): Update.
	(expand_sjlj_dispatch_table): Update.
	(emit_case_nodes): Update.
	* targhooks.c: Update.
	* tracer.c (better_p): Update.
	(find_best_successor): Update.
	* trans-mem.c (expand_transaction): Update.
	* tree-call-cdce.c: Update.
	* tree-cfg.c (gimple_split_edge): Upate.
	(move_sese_region_to_fn): Upate.
	* tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
	* tree-eh.c (lower_resx): Upate.
	(cleanup_empty_eh_move_lp): Upate.
	* tree-if-conv.c (version_loop_for_if_conversion): Update.
	* tree-inline.c (copy_edges_for_bb): Update.
	(copy_cfg_body): Update.
	* tree-parloops.c (gen_parallel_loop): Update.
	* tree-profile.c (gimple_gen_ic_func_profiler): Update.
	(gimple_gen_time_profiler): Update.
	* tree-ssa-dce.c (remove_dead_stmt): Update.
	* tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
	* tree-ssa-loop-im.c (execute_sm_if_changed): Update.
	* tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
	(unloop_loops): Update.
	(try_peel_loop): Update.
	* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
	* tree-ssa-loop-split.c (connect_loops): Update.
	(split_loop): Update.
	* tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
	(hoist_guard): Update.
	* tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
	* tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
	(value_replacement): Update.
	* tree-ssa-reassoc.c (branch_fixup): Update.
	* tree-ssa-tail-merge.c (replace_block_by): Update.
	* tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
	(create_edge_and_update_destination_phis): Update.
	(compute_path_counts): Update.
	(recompute_probabilities): Update.
	(update_joiner_offpath_counts): Update.
	(freqs_to_counts_path): Update.
	(duplicate_thread_path): Update.
	* tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
	(struct switch_conv_info): Update.
	(gen_inbound_check): Update.
	* tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
	(vect_do_peeling): Update.
	(vect_loop_versioning): Update.
	* tree-vect-loop.c (scale_profile_for_vect_loop): Update.
	(optimize_mask_stores): Update.
	* ubsan.c (ubsan_expand_null_ifn): Update.
	* value-prof.c (gimple_divmod_fixed_value): Update.
	(gimple_divmod_fixed_value_transform): Update.
	(gimple_mod_pow2): Update.
	(gimple_mod_pow2_value_transform): Update.
	(gimple_mod_subtract): Update.
	(gimple_mod_subtract_transform): Update.
	(gimple_ic): Update.
	(gimple_stringop_fixed_value): Update.
	(gimple_stringops_transform): Update.
	* value-prof.h: Update.

From-SVN: r249800

2017-06-28  Martin Liska  <mliska@suse.cz>

	PR sanitizer/81224
	* asan.c (instrument_derefs): Bail out inner references
	that are hard register variables.
2017-06-28  Martin Liska  <mliska@suse.cz>

	PR sanitizer/81224
	* gcc.dg/asan/pr81224.c: New test.

From-SVN: r249728

2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* c-c++-common/ubsan/attrib-2.c (float_cast2): Enhance the
	test by adding no_sanitize attribute.
	* gcc.dg/asan/use-after-scope-4.c: Likewise.
2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* c-attribs.c (add_no_sanitize_value): New function.
	(handle_no_sanitize_attribute): Likewise.
	(handle_no_sanitize_address_attribute): Use the function.
	(handle_no_sanitize_thread_attribute): New function.
	(handle_no_address_safety_analysis_attribute): Use
	add_no_sanitize_value.
	(handle_no_sanitize_undefined_attribute): Likewise.
	* c-common.h: Declare new functions.
	* c-ubsan.c (ubsan_instrument_division): Use sanitize_flags_p.
	(ubsan_instrument_shift): Likewise.
	(ubsan_instrument_bounds): Likewise.
	(ubsan_maybe_instrument_array_ref): Likewise.
	(ubsan_maybe_instrument_reference_or_call): Likewise.
2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
	(gate_asan): Likewise.
	* asan.h (asan_no_sanitize_address_p): Remove the function.
	(sanitize_flags_p): New function.
	* builtins.def: Fix coding style.
	* common.opt: Use renamed enum value.
	* convert.c (convert_to_integer_1): Use sanitize_flags_p.
	* doc/extend.texi: Document no_sanitize attribute.
	* flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
	to SANITIZE_UNDEFINED_NONDEFAULT.
	* gcc.c (sanitize_spec_function): Use the renamed enum value.
	* gimple-fold.c (optimize_atomic_compare_exchange_p):
	Use sanitize_flags_p.
	* gimplify.c (gimplify_function_tree): Likewise.
	* ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
	* opts.c (parse_no_sanitize_attribute): New function.
	(common_handle_option): Use renamed enum value.
	* opts.h (parse_no_sanitize_attribute): Declare.
	* tree.c (sanitize_flags_p): New function.
	* tree.h: Declared here.
	* tsan.c: Use sanitize_flags_p.
	* ubsan.c (ubsan_expand_null_ifn): Likewise.
	(instrument_mem_ref): Likewise.
	(instrument_bool_enum_load): Likewise.
	(do_ubsan_in_current_function): Remove the function.
	(pass_ubsan::execute): Use sanitize_flags_p.
	* ubsan.h: Remove do_ubsan_in_current_function
	* tree-cfg.c (print_no_sanitize_attr_value): New function.
	(dump_function_to_file): Use it here.
2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* class.c (build_base_path): Use sanitize_flags_p.
	* cp-gimplify.c (cp_genericize_r): Likewise.
	(cp_genericize_tree): Likewise.
	(cp_genericize): Likewise.
	* cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise.
	* decl.c (compute_array_index_type): Likewise.
	(start_preparsed_function): Likewise.
	* decl2.c (one_static_initialization_or_destruction): Likewise.
	* init.c (finish_length_check): Likewise.
	* lambda.c (maybe_add_lambda_conv_op): Likewise.
	* typeck.c (cp_build_binary_op): Likewise.
	(build_static_cast_1): Likewise.
2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* c-convert.c (convert): Use sanitize_flags_p.
	* c-decl.c (grokdeclarator): Likewise.
	* c-typeck.c (convert_for_assignment): Likewise.
	(c_finish_return): Likewise.
	(build_binary_op): Likewise.

From-SVN: r249158

	PR sanitizer/80308
	* asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
	for big endian.

	* c-c++-common/asan/pr80308.c: New test.

Co-Authored-By: Bernd Edlinger <bernd.edlinger@hotmail.de>

From-SVN: r246703

	PR sanitizer/80168
	* asan.c (instrument_derefs): Copy over last operand from
	original COMPONENT_REF to the new COMPONENT_REF with
	DECL_BIT_FIELD_REPRESENTATIVE.
	* ubsan.c (instrument_object_size): Likewise.

	* gcc.dg/asan/pr80168.c: New test.

From-SVN: r246492

	PR sanitizer/80063
	* asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).

From-SVN: r246278

	PR sanitizer/79944
	* asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
	BUILT_IN_SYNC*, determine the access type from the size suffix and
	always build a MEM_REF with that type.  Handle forgotten
	BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.

	* c-c++-common/asan/pr79944.c: New test.

From-SVN: r245991

2017-03-06  Martin Liska  <mliska@suse.cz>

	PR sanitize/79783
	* asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
	when having a SSA NAME w/o VAR_DECL assigned to it.
2017-03-06  Martin Liska  <mliska@suse.cz>

	PR sanitize/79783
	* g++.dg/asan/pr79783.C: New test.

From-SVN: r245912

re PR lto/79061 ([LTO][ASAN] LTO plus ASAN fails with "AddressSanitizer: initialization-order-fiasco")

	PR lto/79061
	* asan.c (get_translation_unit_decl): Remove function.
	(asan_add_global): Force has_dynamic_init to zero in LTO mode.

From-SVN: r245033

re PR lto/79061 ([LTO][ASAN] LTO plus ASAN fails with "AddressSanitizer: initialization-order-fiasco")

PR lto/79061

gcc/

	* asan.c (get_translation_unit_decl): New function.
	(asan_add_global): Extract modules file name from globals
	TRANSLATION_UNIT_DECL name.

gcc/fortran/

	* f95-lang.c (gfc_create_decls): Include stringpool.h.
	Pass main_input_filename to build_translation_unit_decl.

gcc/ada/

	* gcc-interface/utils.c (get_global_context): Pass main_input_filename
	to build_translation_unit_decl.

gcc/c/

	* c-decl.c (pop_scope): Pass main_input_filename to
	build_translation_unit_decl.

gcc/cp/

	* decl.c (cxx_init_decl_processing): Pass main_input_filename
	to build_translation_unit_decl.

From-SVN: r244890

2017-01-23  Martin Liska  <mliska@suse.cz>

	* gcc.dg/asan/use-after-scope-10.c: New test.
	* gcc.dg/asan/use-after-scope-11.c: New test.
	* g++.dg/asan/use-after-scope-5.C: New test.
2017-01-23  Jakub Jelinek  <jakub@redhat.com>
	    Martin Liska  <mliska@suse.cz>

	* asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
	* asan.c (asan_expand_poison_ifn): Support stores and use
	appropriate ASAN report function.
	* internal-fn.c (expand_ASAN_POISON_USE): New function.
	* internal-fn.def (ASAN_POISON_USE): Declare.
	* tree-into-ssa.c (maybe_add_asan_poison_write): New function.
	(maybe_register_def): Create ASAN_POISON_USE when sanitizing.
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
	ASAN_POISON calls w/o LHS.
	* tree-ssa.c (execute_update_addresses_taken): Create clobber
	for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
	from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
	* gimplify.c (asan_poison_variables): Add attribute
	use_after_scope_memory to variables that really needs to live
	in memory.
	* tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
	having the attribute.

From-SVN: r244793

2017-01-23  Martin Liska  <mliska@suse.cz>

	* asan.c (create_asan_shadow_var): New function.
	(asan_expand_poison_ifn): Likewise.
	* asan.h (asan_expand_poison_ifn): New declaration.
	* internal-fn.c (expand_ASAN_POISON): Likewise.
	* internal-fn.def (ASAN_POISON): New builtin.
	* sanopt.c (pass_sanopt::execute): Expand
	asan_expand_poison_ifn.
	* tree-inline.c (copy_decl_for_dup_finish): Make function
	external.
	* tree-inline.h (copy_decl_for_dup_finish): Likewise.
	* tree-ssa.c (is_asan_mark_p): New function.
	(execute_update_addresses_taken): Rewrite local variables
	(identified just by use-after-scope as addressable) into SSA.
2017-01-23  Martin Liska  <mliska@suse.cz>

	* gcc.dg/asan/use-after-scope-3.c: Add additional flags.
	* gcc.dg/asan/use-after-scope-9.c: Likewise and grep for
	sanopt optimization for ASAN_POISON.

From-SVN: r244791

re PR lto/79061 ([LTO][ASAN] LTO plus ASAN fails with "AddressSanitizer: initialization-order-fiasco")

Revert fix for PR lto/79061 due to this regresses compile-time by 100%
on some fortran cases.

From-SVN: r244773

re PR lto/79061 ([LTO][ASAN] LTO plus ASAN fails with "AddressSanitizer: initialization-order-fiasco")

	PR lto/79061
gcc/

	* asan.c (get_translation_unit_decl): New function.
	(asan_add_global): Extract modules file name from globals
	TRANSLATION_UNIT_DECL in lto mode.
	* tree.c (build_translation_unit_decl): Add source location for newly
	built TRANSLATION_UNIT_DECL.

gcc/lto/

	* lto.c (lto_read_decls): accept location cache for
	TRANSLATION_UNIT_DECL.
	
gcc/testsuite/

	* gcc.dg/cpp/mi1.c: Adjust testcase.
	* gcc.dg/pch/cpp-3.c: Likewise.

From-SVN: r244581

	PR sanitizer/78887
	* asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
	if -fsanitize=kernel-address is present.

From-SVN: r244402

gcc/ChangeLog:
	* asan.c (asan_emit_stack_protection): Increase local buffer size
	to avoid snprintf truncation warning.

From-SVN: r244237

From-SVN: r243994

	* asan.c (asan_expand_mark_ifn): Use renamed
	BUILT_IN_ASAN_{UN}CLOBBER_N to BUILT_IN_ASAN_{UN}POISON_STACK_MEMORY.
	* sanitizer.def: Likewise.

From-SVN: r243605

	* asan.c (asan_mark_poison_p): Remove.
	(asan_mark_p): New function.
	(transform_statements): Use the function.
	(asan_expand_mark_ifn): Do not use masked enum.
	* asan.h (enum asan_mark_flags): Declare it via a macro.
	* gimple-pretty-print.c (dump_gimple_call_args): Dump first
	argument of ASAN_MARK.
	* gimplify.c (build_asan_poison_call_expr): Use new enum values.
	(asan_poison_variable): Likewise.
	* gcc.dg/asan/use-after-scope-goto-1.c: Update first argument of
	scanned pattern ASAN_MARK.
	* gcc.dg/asan/use-after-scope-goto-2.c: Likewise.
	* gcc.dg/asan/use-after-scope-switch-1.c: Likewise.
	* gcc.dg/asan/use-after-scope-switch-2.c: Likewise.
	* gcc.dg/asan/use-after-scope-switch-3.c: Likewise.

From-SVN: r243597

config/

        * bootstrap-asan.mk: Replace LSAN_OPTIONS=detect_leaks=0 with
        ASAN_OPTIONS=detect_leaks=0:use_odr_indicator=1.

gcc/

        * asan.c (asan_global_struct): Refactor.
        (create_odr_indicator): New function.
        (asan_needs_odr_indicator_p): Likewise.
        (is_odr_indicator): Likewise.
        (asan_add_global): Introduce odr_indicator_ptr. Pass it into global's
        constructor.
        (asan_protect_global): Do not protect odr indicators.

gcc/c-family/

	* c-attribs.c (asan odr indicator): New attribute.
	(handle_asan_odr_indicator_attribute): New function.

gcc/testsuite/

        * c-c++-common/asan/no-redundant-odr-indicators-1.c: New test.

From-SVN: r243153

	PR sanitizer/78541
	* gcc.dg/asan/pr78541-2.c: New test.
	* gcc.dg/asan/pr78541.c: New test.
	PR sanitizer/78541
	* asan.c (asan_expand_mark_ifn): Properly
	select a VAR_DECL from FRAME.* component reference.

From-SVN: r243003

gcc/

	* asan.h (ASAN_STACK_MAGIC_PARTIAL): Remove.
	* asan.c (ASAN_STACK_MAGIC_PARTIAL): Replace with
	ASAN_STACK_MAGIC_MIDDLE.
	(asan_global_struct): Increase the size of fields.
	(asan_add_global): Add new field constructor.
	* sanitizer.def (__asan_version_mismatch_check_v6): Replace with
	__asan_version_mismatch_check_v8.

gcc/testsuite/

	* c-c++-common/asan/null-deref-1.c: Adjust testcase.

From-SVN: r241983

	* c-warn.c (warn_for_unused_label): Save all labels used
	in goto or in &label.
	* asan.c (enum asan_check_flags): Move the enum to header file.
	(asan_init_shadow_ptr_types): Make type creation more generic.
	(shadow_mem_size): New function.
	(asan_emit_stack_protection): Use newly added ASAN_SHADOW_GRANULARITY.
	Rewritten stack unpoisoning code.
	(build_shadow_mem_access): Add new argument return_address.
	(instrument_derefs): Instrument local variables if use after scope
	sanitization is enabled.
	(asan_store_shadow_bytes): New function.
	(asan_expand_mark_ifn): Likewise.
	(asan_sanitize_stack_p): Moved from asan_sanitize_stack_p.
	* asan.h (enum asan_mark_flags): Moved here from asan.c
	(asan_protect_stack_decl): Protect all declaration that need
	to live in memory.
	(asan_sanitize_use_after_scope): New function.
	(asan_no_sanitize_address_p): Likewise.
	* cfgexpand.c (partition_stack_vars): Consider
	asan_sanitize_use_after_scope in condition.
	(expand_stack_vars): Likewise.
	* common.opt (-fsanitize-address-use-after-scope): New option.
	* doc/invoke.texi (use-after-scope-direct-emission-threshold):
	Explain the parameter.
	* flag-types.h (enum sanitize_code): Define SANITIZE_USE_AFTER_SCOPE.
	* gimplify.c (build_asan_poison_call_expr): New function.
	(asan_poison_variable): Likewise.
	(gimplify_bind_expr): Generate poisoning/unpoisoning for local
	variables that have address taken.
	(gimplify_decl_expr): Likewise.
	(gimplify_target_expr): Likewise for C++ temporaries.
	(sort_by_decl_uid): New function.
	(gimplify_expr): Unpoison all variables for a label we can jump
	from outside of a scope.
	(gimplify_switch_expr): Unpoison variables defined in the switch
	context.
	(gimplify_function_tree): Clear asan_poisoned_variables.
	(asan_poison_variables): New function.
	(warn_switch_unreachable_r): Handle IFN_ASAN_MARK.
	* internal-fn.c (expand_ASAN_MARK): New function.
	* internal-fn.def (ASAN_MARK): Declare.
	* opts.c (finish_options): Handle -fstack-reuse if
	-fsanitize-address-use-after-scope is enabled.
	(common_handle_option): Enable address sanitization if
	-fsanitize-address-use-after-scope is enabled.
	* params.def (PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD):
	New parameter.
	* params.h: Likewise.
	* sancov.c (pass_sanopt::execute): Handle IFN_ASAN_MARK.
	* sanitizer.def: Define __asan_poison_stack_memory and
	__asan_unpoison_stack_memory functions.
	* asan.c (asan_mark_poison_p): New function.
	(transform_statements): Handle asan_mark_poison_p calls.
	* gimple.c (nonfreeing_call_p): Handle IFN_ASAN_MARK.

From-SVN: r241896

2016-10-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/
    * coretypes.h: Move MEMMODEL_* macros and enum memmodel definition
    into ...
    * memmodel.h: This file.
    * alias.c, asan.c, auto-inc-dec.c, bb-reorder.c, bt-load.c,
      caller-save.c, calls.c, ccmp.c, cfgbuild.c, cfgcleanup.c,
      cfgexpand.c, cfgloopanal.c, cfgrtl.c, cilk-common.c, combine.c,
      combine-stack-adj.c, common/config/aarch64/aarch64-common.c,
      common/config/arm/arm-common.c, common/config/bfin/bfin-common.c,
      common/config/c6x/c6x-common.c, common/config/i386/i386-common.c,
      common/config/ia64/ia64-common.c, common/config/nvptx/nvptx-common.c,
      compare-elim.c, config/aarch64/aarch64-builtins.c,
      config/aarch64/aarch64-c.c, config/aarch64/cortex-a57-fma-steering.c,
      config/arc/arc.c, config/arc/arc-c.c, config/arm/arm-builtins.c,
      config/arm/arm-c.c, config/avr/avr.c, config/avr/avr-c.c,
      config/avr/avr-log.c, config/bfin/bfin.c, config/c6x/c6x.c,
      config/cr16/cr16.c, config/cris/cris.c, config/darwin-c.c,
      config/darwin.c, config/epiphany/epiphany.c,
      config/epiphany/mode-switch-use.c,
      config/epiphany/resolve-sw-modes.c, config/fr30/fr30.c,
      config/frv/frv.c, config/ft32/ft32.c, config/h8300/h8300.c,
      config/i386/i386-c.c, config/i386/winnt.c, config/iq2000/iq2000.c,
      config/lm32/lm32.c, config/m32c/m32c.c, config/m32r/m32r.c,
      config/m68k/m68k.c, config/mcore/mcore.c,
      config/microblaze/microblaze.c, config/mmix/mmix.c,
      config/mn10300/mn10300.c, config/moxie/moxie.c,
      config/msp430/msp430.c, config/nds32/nds32-cost.c,
      config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
      config/nds32/nds32-memory-manipulation.c,
      config/nds32/nds32-predicates.c, config/nds32/nds32.c,
      config/nios2/nios2.c, config/nvptx/nvptx.c, config/pa/pa.c,
      config/pdp11/pdp11.c, config/rl78/rl78.c, config/rs6000/rs6000-c.c,
      config/rx/rx.c, config/s390/s390-c.c, config/s390/s390.c,
      config/sh/sh.c, config/sh/sh-c.c, config/sh/sh-mem.cc,
      config/sh/sh_treg_combine.cc, config/sol2.c, config/spu/spu.c,
      config/stormy16/stormy16.c, config/tilegx/tilegx.c,
      config/tilepro/tilepro.c, config/v850/v850.c, config/vax/vax.c,
      config/visium/visium.c, config/vms/vms-c.c, config/xtensa/xtensa.c,
      coverage.c, cppbuiltin.c, cprop.c, cse.c, cselib.c, dbxout.c, dce.c,
      df-core.c, df-problems.c, df-scan.c, dojump.c, dse.c, dwarf2asm.c,
      dwarf2cfi.c, dwarf2out.c, emit-rtl.c, except.c, explow.c, expmed.c,
      expr.c, final.c, fold-const.c, function.c, fwprop.c, gcse.c,
      ggc-page.c, haifa-sched.c, hsa-brig.c, hsa-gen.c, hw-doloop.c,
      ifcvt.c, init-regs.c, internal-fn.c, ira-build.c, ira-color.c,
      ira-conflicts.c, ira-costs.c, ira-emit.c, ira-lives.c, ira.c, jump.c,
      loop-doloop.c, loop-invariant.c, loop-iv.c, loop-unroll.c,
      lower-subreg.c, lra.c, lra-assigns.c, lra-coalesce.c,
      lra-constraints.c, lra-eliminations.c, lra-lives.c, lra-remat.c,
      lra-spills.c, mode-switching.c, modulo-sched.c, omp-low.c, passes.c,
      postreload-gcse.c, postreload.c, predict.c, print-rtl-function.c,
      recog.c, ree.c, reg-stack.c, regcprop.c, reginfo.c, regrename.c,
      reload.c, reload1.c, reorg.c, resource.c, rtl-chkp.c, rtl-tests.c,
      rtlanal.c, rtlhooks.c, sched-deps.c, sched-rgn.c, sdbout.c,
      sel-sched-ir.c, sel-sched.c, shrink-wrap.c, simplify-rtx.c,
      stack-ptr-mod.c, stmt.c, stor-layout.c, target-globals.c,
      targhooks.c, toplev.c, tree-nested.c, tree-outof-ssa.c,
      tree-profile.c, tree-ssa-coalesce.c, tree-ssa-ifcombine.c,
      tree-ssa-loop-ivopts.c, tree-ssa-loop.c, tree-ssa-reassoc.c,
      tree-ssa-sccvn.c, tree-vect-data-refs.c, ubsan.c, valtrack.c,
      var-tracking.c, varasm.c: Include memmodel.h.
    * genattrtab.c (write_header): Include memmodel.h in generated file.
    * genautomata.c (main): Likewise.
    * gengtype.c (open_base_files): Likewise.
    * genopinit.c (main): Likewise.
    * genconditions.c (write_header): Include memmodel.h earlier in
    generated file.
    * genemit.c (main): Likewise.
    * genoutput.c (output_prologue): Likewise.
    * genpeep.c (main): Likewise.
    * genpreds.c (write_insn_preds_c): Likewise.
    * genrecog.c (write_header): Likewise.
    * Makefile.in (PLUGIN_HEADERS): Include memmodel.h

    gcc/ada/
    * gcc-interface/utils2.c: Include memmodel.h.

    gcc/c-family/
    * c-cppbuiltin.c: Include memmodel.h.
    * c-opts.c: Likewise.
    * c-pragma.c: Likewise.
    * c-warn.c: Likewise.

    gcc/c/
    * c-typeck.c: Include memmodel.h.

    gcc/cp/
    * decl2.c: Include memmodel.h.
    * rtti.c: Likewise.

    gcc/fortran/
    * trans-intrinsic.c: Include memmodel.h.

    gcc/go/
    * go-backend.c: Include memmodel.h.

    libgcc/
    * libgcov-profiler.c: Replace MEMMODEL_* macros by their __ATOMIC_*
    equivalent.
    * config/tilepro/atomic.c: Likewise and stop casting model to
    enum memmodel.

From-SVN: r241121

	* tree-ssa.c (target_for_debug_bind, verify_phi_args,
	ssa_undefined_value_p, maybe_optimize_var): Use VAR_P and/or
	VAR_OR_FUNCTION_DECL_P macros.
	* tree-chkp.c (chkp_register_var_initializer, chkp_make_static_bounds,
	chkp_get_bounds_for_decl_addr, chkp_parse_array_and_component_ref,
	chkp_find_bounds_1): Likewise.
	* ipa-polymorphic-call.c (decl_maybe_in_construction_p): Likewise.
	* hsa-gen.c (get_symbol_for_decl): Likewise.
	* cgraphunit.c (check_global_declaration, analyze_functions,
	handle_alias_pairs, thunk_adjust, cgraph_node::expand_thunk):
	Likewise.
	* gimple-fold.c (can_refer_decl_in_current_unit_p,
	canonicalize_constructor_val, gimple_get_virt_method_for_vtable):
	Likewise.
	* tree.c (set_decl_section_name, copy_node_stat,
	need_assembler_name_p, free_lang_data_in_decl, find_decls_types_r,
	merge_dllimport_decl_attributes, handle_dll_attribute,
	decl_init_priority_insert, auto_var_in_fn_p, array_at_struct_end_p,
	verify_type): Likewise.
	* gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior,
	find_explicit_erroneous_behavior): Likewise.
	* sdbout.c (sdbout_toplevel_data, sdbout_late_global_decl): Likewise.
	* ipa.c (process_references): Likewise.
	* tree-chkp-opt.c (chkp_get_check_result): Likewise.
	* varasm.c (get_block_for_decl, use_blocks_for_decl_p, make_decl_rtl,
	notice_global_symbol, assemble_variable, mark_decl_referenced,
	build_constant_desc, output_constant_def_contents, do_assemble_alias,
	make_decl_one_only, default_section_type_flags,
	categorize_decl_for_section, default_encode_section_info): Likewise.
	* trans-mem.c (requires_barrier): Likewise.
	* gimple-expr.c (mark_addressable): Likewise.
	* cfgexpand.c (add_scope_conflicts_1, expand_one_var,
	expand_used_vars_for_block, clear_tree_used, stack_protect_decl_p,
	expand_debug_expr): Likewise.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* ubsan.c (instrument_bool_enum_load): Likewise.
	* tree-pretty-print.c (print_declaration): Likewise.
	* simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
	* tree-ssa-uninit.c (warn_uninitialized_vars): Likewise.
	* asan.c (asan_protect_global, instrument_derefs): Likewise.
	* tree-into-ssa.c (rewrite_stmt, maybe_register_def,
	pass_build_ssa::execute): Likewise.
	* var-tracking.c (var_debug_decl, track_expr_p): Likewise.
	* tree-ssa-loop-ivopts.c (force_expr_to_var_cost, split_address_cost):
	Likewise.
	* ipa-split.c (test_nonssa_use, consider_split, mark_nonssa_use):
	Likewise.
	* tree-inline.c (insert_debug_decl_map, remap_ssa_name,
	can_be_nonlocal, remap_decls, copy_debug_stmt,
	initialize_inlined_parameters, add_local_variables,
	reset_debug_binding, replace_locals_op): Likewise.
	* dse.c (can_escape): Likewise.
	* ipa-devirt.c (compare_virtual_tables, referenced_from_vtable_p):
	Likewise.
	* tree-diagnostic.c (default_tree_printer): Likewise.
	* tree-streamer-in.c (unpack_ts_decl_common_value_fields,
	unpack_ts_decl_with_vis_value_fields,
	lto_input_ts_decl_common_tree_pointers): Likewise.
	* builtins.c (builtin_save_expr, fold_builtin_expect,
	readonly_data_expr): Likewise.
	* tree-ssa-structalias.c (new_var_info, get_constraint_for_ssa_var,
	create_variable_info_for, set_uids_in_ptset, visit_loadstore):
	Likewise.
	* gimple-streamer-out.c (output_gimple_stmt): Likewise.
	* gimplify.c (force_constant_size, gimplify_bind_expr,
	gimplify_decl_expr, gimplify_var_or_parm_decl,
	gimplify_compound_lval, gimplify_init_constructor,
	gimplify_modify_expr, gimplify_asm_expr, gimplify_oacc_declare,
	gimplify_type_sizes): Likewise.
	* cgraphbuild.c (record_reference, record_type_list, mark_address,
	mark_load, mark_store, pass_build_cgraph_edges::execute): Likewise.
	* tree-ssa-live.c (mark_all_vars_used_1, remove_unused_scope_block_p,
	remove_unused_locals): Likewise.
	* tree-ssa-alias.c (ptr_deref_may_alias_decl_p, ptrs_compare_unequal,
	ref_maybe_used_by_call_p_1, call_may_clobber_ref_p_1): Likewise.
	* function.c (instantiate_expr, instantiate_decls_1,
	setjmp_vars_warning, add_local_decl): Likewise.
	* alias.c (ao_ref_from_mem, get_alias_set, compare_base_symbol_refs):
	Likewise.
	* tree-stdarg.c (find_va_list_reference, va_list_counter_struct_op,
	va_list_ptr_read, va_list_ptr_write, check_all_va_list_escapes,
	optimize_va_list_gpr_fpr_size): Likewise.
	* tree-nrv.c (pass_nrv::execute): Likewise.
	* tsan.c (instrument_expr): Likewise.
	* tree-ssa-dce.c (remove_dead_stmt): Likewise.
	* vtable-verify.c (verify_bb_vtables): Likewise.
	* tree-dfa.c (ssa_default_def, set_ssa_default_def,
	get_ref_base_and_extent): Likewise.
	* toplev.c (wrapup_global_declaration_1, wrapup_global_declaration_2):
	Likewise.
	* tree-sra.c (static bool constant_decl_p, find_var_candidates,
	analyze_all_variable_accesses): Likewise.
	* tree-nested.c (get_nonlocal_debug_decl,
	convert_nonlocal_omp_clauses, note_nonlocal_vla_type,
	note_nonlocal_block_vlas, convert_nonlocal_reference_stmt,
	get_local_debug_decl, convert_local_omp_clauses,
	convert_local_reference_stmt, nesting_copy_decl, remap_vla_decls):
	Likewise.
	* tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Likewise.
	* stmt.c (decl_overlaps_hard_reg_set_p): Likewise.
	* dbxout.c (dbxout_late_global_decl, dbxout_type_fields,
	dbxout_symbol, dbxout_common_check): Likewise.
	* expr.c (expand_assignment, expand_expr_real_2, expand_expr_real_1,
	string_constant): Likewise.
	* hsa.c (hsa_get_declaration_name): Likewise.
	* passes.c (rest_of_decl_compilation): Likewise.
	* tree-ssanames.c (make_ssa_name_fn): Likewise.
	* tree-streamer-out.c (pack_ts_decl_common_value_fields,
	pack_ts_decl_with_vis_value_fields,
	write_ts_decl_common_tree_pointers): Likewise.
	* stor-layout.c (place_field): Likewise.
	* symtab.c (symtab_node::maybe_create_reference,
	symtab_node::verify_base, symtab_node::make_decl_local,
	symtab_node::copy_visibility_from,
	symtab_node::can_increase_alignment_p): Likewise.
	* dwarf2out.c (add_var_loc_to_decl, tls_mem_loc_descriptor,
	decl_by_reference_p, reference_to_unused, rtl_for_decl_location,
	fortran_common, add_location_or_const_value_attribute,
	add_scalar_info, add_linkage_name, set_block_abstract_flags,
	local_function_static, gen_variable_die, dwarf2out_late_global_decl,
	optimize_one_addr_into_implicit_ptr,
	optimize_location_into_implicit_ptr): Likewise.
	* gimple-low.c (record_vars_into): Likewise.
	* ipa-visibility.c (update_vtable_references): Likewise.
	* tree-ssa-address.c (fixed_address_object_p, copy_ref_info):
	Likewise.
	* lto-streamer-out.c (tree_is_indexable, get_symbol_initial_value,
	DFS::DFS_write_tree_body, write_symbol): Likewise.
	* langhooks.c (lhd_warn_unused_global_decl,
	lhd_set_decl_assembler_name): Likewise.
	* attribs.c (decl_attributes): Likewise.
	* except.c (output_ttype): Likewise.
	* varpool.c (varpool_node::get_create, ctor_for_folding,
	varpool_node::assemble_decl, varpool_node::create_alias): Likewise.
	* fold-const.c (fold_unary_loc): Likewise.
	* ipa-prop.c (ipa_compute_jump_functions_for_edge,
	ipa_find_agg_cst_from_init): Likewise.
	* omp-low.c (expand_omp_regimplify_p, expand_omp_taskreg,
	expand_omp_target, lower_omp_regimplify_p,
	grid_reg_assignment_to_local_var_p, grid_remap_prebody_decls,
	find_link_var_op): Likewise.
	* tree-chrec.c (chrec_contains_symbols): Likewise.
	* tree-cfg.c (verify_address, verify_expr, verify_expr_location_1,
	gimple_duplicate_bb, move_stmt_op, replace_block_vars_by_duplicates,
	execute_fixup_cfg): Likewise.

From-SVN: r240900

gcc/ChangeLog:

2016-08-20  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* Makefile.in: Add tree-vrp.h to GTFILES.
	* gengtype.c (open_base_files): Add tree-vrp.h.
	* asan.c: Add tree-vrp.h which now has the definition value_range_type.
	* builtins.c: Likewise.
	* fold-const.c: Likewise.
	* gimple-builder.c: Likewise.
	* gimple-laddress.c: Likewise.
	* hsa-gen.c: Likewise.
	* internal-fn.c: Likewise.
	* ssa.h: Likewise.
	* targhooks.c: Liewise,
	* tree-ssa-address.c: Likewise.
	* tree-ssanames.h (value_range_type: Move to tree-vrp.h.
	* tree-vrp.c (struct value_range): Move to tree-vrp.h
	* tree-vrp.h: New file.

From-SVN: r239638

	PR sanitizer/71953
	* asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
	before builtin_decl_implicit.

From-SVN: r238596

2016-07-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG.
        * tree-core.h (tree_base::nothrow_flag): Adjust comment.
        (tree_type_common::lang_flag_7): New.
        (tree_type_common::spare): Reduce size.
        * tree.h (TYPE_ALIGN_OK): Remove.
        (TYPE_LANG_FLAG_7): New.
        (get_inner_reference): Adjust header.
        * print-tree.c (print_node): Adjust.
        * expr.c (get_inner_reference): Remove parameter keep_aligning.
        (get_bit_range, expand_assignment, expand_expr_addr_expr_1): Adjust
        calls to get_inner_reference.
        (expand_expr_real_1): Adjust call to get_inner_reference.  Remove
        handling of TYPE_ALIGN_OK.
        * builtins.c (get_object_alignment_2): Adjust call to
        get_inner_reference.  Remove handling of VIEW_CONVERT_EXPR.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove handling of
        TYPE_ALIGN_OK.
        * asan.c (instrument_derefs): Adjust calls to get_inner_reference.
        * cfgexpand.c (expand_debug_expr): Likewise.
        * dbxout.c (dbxout_expand_expr): Likewise.
        * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref,
        loc_list_from_tree, fortran_common): Likewise.
        * fold-const.c (optimize_bit_field_compare,
        decode_field_reference, fold_unary_loc, fold_comparison,
        split_address_to_core_and_offset): Likewise.
        * gimple-laddress.c (execute): Likewise.
        * gimple-ssa-strength-reduction.c (slsr_process_ref): Likewise.
        * gimplify.c (gimplify_scan_omp_clauses): Likewise.
        * hsa-gen.c (gen_hsa_addr): Likewise.
        * simplifx-rtx.c (delegitimize_mem_from_attrs): Likewise.
        * tsan.c (instrument_expr): Likewise.
        * ubsan.c (instrument_bool_enum_load, instrument_object_size): Likewise.
        * tree.c (verify_type_variant): Remove handling of TYPE_ALIGN_OK.
        * tree-affine.c (tree_to_aff_combination,
        get_inner_reference_aff): Adjust calls to get_inner_reference.
        * tree-data-ref.c (split_constant_offset_1,
        dr_analyze_innermost): Likewise.
        * tree-scalar-evolution.c (interpret_rhs_expr): Likewise.
        * tree-sra.c (ipa_sra_check_caller): Likewise.
        * tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
        * tree-ssa-math-opts.c (find_bswap_or_nop_load,
        bswap_replace): Likewise.
        * tree-vect-data-refs.c (vect_check_gather,
        vect_analyze_data_refs): Likewise.
        * config/mips/mips.c (r10k_safe_mem_expr_p): Likewise.
        * config/pa/pa.c (pa_emit_move_sequence): Remove handling of
        TYPE_ALIGN_OK.

ada:
2016-07-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG.
        * gcc-interface/ada-tree.h (TYPE_ALIGN_OK): Define.
        * gcc-interface/trans.c (Attribute_to_gnu): Adjust call to
        get_inner_reference.
        * gcc-interface/utils2.c (build_unary_op): Likewise.

From-SVN: r238210

2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR sanitizer/70541
	* asan.c (instrument_derefs): If we get unknown location, extract it
	with EXPR_LOCATION.
	(maybe_instrument_call): Instrument gimple_call's arguments if needed.

	* c-c++-common/asan/pr70541.c: New test.

From-SVN: r234827

Fix PR sanitizer/69276

	* g++.dg/asan/pr69276.C: New test.
	PR sanitizer/PR69276
	* asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
	that are gimple_store_p.
	(maybe_instrument_call): Likewise.

From-SVN: r233137

re PR lto/69254 (ICE in streamer_get_builtin_tree when using -fsanitize=shift on the compile side only)

	PR lto/69254
	* sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
	END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
	* asan.c (DEF_BUILTIN_STUB): Temporarily define.
	* tree-streamer-in.c: Include asan.h.
	(streamer_get_builtin_tree): For builtins in sanitizer
	range call initialize_sanitizer_builtins and retry.

From-SVN: r232891

From-SVN: r232055

gcc/

	* opts.c (finish_options): Allow -fsanitize-recover=address for
	userspace sanitization.
	* asan.c (asan_expand_check_ifn): Redefine recover_p.
	* doc/invoke.texi (fsanitize-recover): Update documentation.

gcc/testsuite/

	* c-c++-common/asan/halt_on_error-1.c: New test.
	* c-c++-common/asan/halt_on_error-2.c: Likewise.

From-SVN: r230741

From-SVN: r229965