2017-06-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81249
	* tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
	condition reduction result to original scalar type.

	* g++.dg/torture/pr81249.C: New testcase.

From-SVN: r249831

gcc/ChangeLog:

2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* profile-count.h (enum profile_quality): Fix typos and whitespace
	issues.

From-SVN: r249830

This fixes the bootstrap failure triggered by the recent changes wrt
branch probabilities aka emit_cmp_and_jump_insns does not accept
integers as branch probability anymore.

gcc/ChangeLog:

2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_expand_setmem): Adjust to the new data
	type for branch probabilities.

From-SVN: r249829

2017-06-29  Julian Brown  <julian@codesourcery.com>
	    Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

	* config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
	* config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
	(thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
	(aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.


Co-Authored-By: Naveen H.S <Naveen.Hurugalawadi@cavium.com>

From-SVN: r249828

2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

	* config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
	check for CC usage into AARCH64_FUSE_CMP_BRANCH.
	* config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
	CC usage from generic code to here.
	* sched-deps.c (sched_macro_fuse_insns): Move the condition for
	CC usage into the target macros.

From-SVN: r249827

From-SVN: r249826

2017-06-29  Maya Rashish  <coypu@sdf.org>

	* config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
	objects.

From-SVN: r249822

	* arm/arm-builtins.c: Include profile-count.h
	* except.c (sjlj_emit_function_enter): Use
	profile_probability::unlikely.

From-SVN: r249821

/cp
2017-06-29  Paolo Carlini  <paolo.carlini@oracle.com>

	* class.c (add_method): Change pair of errors to error + inform.
	(handle_using_decl): Likewise.

/testsuite
2017-06-29  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/cpp0x/inh-ctor3.C: Adjust for dg-message vs dg-error.
	* g++.dg/diagnostic/variadic1.C: Likewise.
	* g++.dg/gomp/udr-3.C: Likewise.
	* g++.dg/overload/error1.C: Likewise.
	* g++.dg/overload/error2.C: Likewise.
	* g++.dg/template/duplicate1.C: Likewise.
	* g++.old-deja/g++.benjamin/warn02.C: Likewise.
	* g++.old-deja/g++.brendan/arm2.C: Likewise.
	* g++.old-deja/g++.other/redecl2.C: Likewise.
	* g++.old-deja/g++.other/redecl4.C: Likewise.
	* g++.old-deja/g++.pt/memtemp78.C: Likewise.

From-SVN: r249820

From-SVN: r249818

	* pt.c (build_deduction_guide): Correct member template handling.

From-SVN: r249816

rs6000.c (toc_relative_expr_p): Make tocrel_base and tocrel_offset be pointer args rather than implicitly using...

2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
        and tocrel_offset be pointer args rather than implicitly using
        static versions.
        (legitimate_constant_pool_address_p, rs6000_emit_move,
        const_load_sequence_p, adjust_vperm): Add local tocrel_base and
        tocrel_offset and use in toc_relative_expr_p call.
        (print_operand, print_operand_address): Use static tocrel_base_oac
        and tocrel_offset_oac.
        (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
        tocrel_offset_oac.

From-SVN: r249815

	* tree.c (cp_tree_equal): Remove COMPONENT_REF special case.

From-SVN: r249813

2017-06-29  Maya Rashish  <coypu@sdf.org>

	* config/vax/builtins.md (ffssi2_internal): Correct constraint.

From-SVN: r249812

	* expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
	objects, take into account only the alignment of 'op0' and 'mode1' if
	'op0' is a MEM.

From-SVN: r249811

	PR fortran/77765

	gcc/fortran/
	* openmp.c (gfc_match_oacc_routine): Check if proc_name exist before
	comparing the routine name against it.

	gcc/testsuite/
	* gfortran.dg/goacc/pr77765.f90: New test.

From-SVN: r249809

2017-06-29  Steve Ellcey  <sellcey@cavium.com>

	* gcc.target/aarch64/ccmp_2.c: New test.

From-SVN: r249806

2017-06-29  Steve Ellcey  <sellcey@cavium.com>

	* ccmp.c (ccmp_tree_comparison_p): New function.
	(ccmp_candidate_p): Update to use above function.
	(get_compare_parts): New function.
	(expand_ccmp_next): Update to use new functions.
	(expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
	new functions.
	(expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
	take mode as argument.
	* ccmp.h (expand_ccmp_expr): Add mode as argument.
	* expr.c (expand_expr_real_1): Pass mode as argument.

From-SVN: r249805

re PR c++/81247 (ICE on invalid C++ code with malformed namespace declaration: in do_push_nested_namespace, at cp/name-lookup.c:6002)

	PR c++/81247
	* parser.c (cp_parser_namespace_definition): Immediately close the
	namespace if there's no open-brace.
	* name-lookup.c (do_pushdecl): Reset OLD when pushing into new
	namespace.

From-SVN: r249804

	* bid/bid2dpd_dpd2bid.c (_bid_to_dpd32): Fix whitespace.
	(_dpd_to_bid32): Simplify identical code on multiple branches.
	Fix whitespace.
	(_bid_to_dpd64, _dpd_to_bid64): Likewise.
	(_bid_to_dpd128, _dpd_to_bid128): Likewise.

From-SVN: r249803

In the combine dump file, at the start there is a list of the RTL cost
of every insn.  The only thing listed about the insns is the UID though.
To make it more useful, this patch prints the insn itself as well (in
slim format).


	* combine.c (combine_instructions): Print insns to dump_file, together
	with their costs.

From-SVN: r249802

	* 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

	* Makefile.am (MOSTLYCLEANFILES): Remove testing files and logs.
	(mostlyclean-local): Remove check-runtime-dir, cgo-test-dir,
	carchive-test-dir.
	(ECHO_ENV): Define.
	(check-go-tool): Depend on cgo.  Write command to testlog.
	(check-runtime): New target.
	(check-cgo-test): New target.
	(check-carchive-test): New target.
	(check): Depend on check-runtime, check-cgo-test,
	check-carchive-test.  Add @ to prettify output.
	(.PHONY): Add check-runtime, check-cgo-test, check-carchive-test.
	* Makefile.in: Rebuild.

From-SVN: r249799

gcc/ChangeLog:

2017-06-29  Carl Love  <cel@us.ibm.com>

	* config/rs6000/rs6000-c.c: Add support for built-in functions
	vector signed int vec_signed (vector float);
	vector signed long long vec_signed (vector double);
	vector signed int vec_signed2 (vector double, vector double);
	vector signed int vec_signede (vector double);
	vector signed int vec_signedo (vector double);
	* config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
	instruction generator.
	* config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
	UNSPEC_VSX_VSIGNED2): Add UNSPECS.
	(vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
	Add define_insn.
	(vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
	vunsignede_v2df): Add define_expands.
	* config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
	VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
	VEC_UNSIGNEDO): Add definitions.
	* config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
	UNSPEC_VSX_VSIGNED2): Add UNSPECs.
	(vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
	(vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
	vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
	* config/rs6000/altivec.h (vec_signed, vec_signed2,
	vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
	vec_unsignede, vec_unsignedo): Add builtin defines.
	* config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
	declaration.
	* doc/extend.texi: Update the built-in documentation file for the
	new built-in functions.

gcc/testsuite/ChangeLog:

2017-06-29  Carl Love  <cel@us.ibm.com>

	* gcc.target/powerpc/builtins-3-runnable.c (test_int_result,
	test_unsigned_int_result, test_ll_int_result,
	test_ll_unsigned_int_result): Add result checking functions, add
	debug support.
	(main): Add builtin function tests.

From-SVN: r249798

	* search.c (binfo_direct_p): New.
	* name-lookup.c (do_class_using_decl): Use it.

From-SVN: r249797

    
    This test is not yet run, but it will be soon.
    
    Reviewed-on: https://go-review.googlesource.com/47038

From-SVN: r249795

    
    The tests are misc/cgo tests that are not currently run but will be
    run soon.
    
    Reviewed-on: https://go-review.googlesource.com/47037

From-SVN: r249794

gcc/testsuite/ChangeLog:

2017-06-29  Carl Love  <cel@us.ibm.com>

	* gcc.target/powerpc/builtins-3-vec_reve-runnable.c (dg-options,
	dg-skip-if): Add -mvsx -mcpu=power7.

From-SVN: r249792

	* cp-tree.h (THIS_NAME, IN_CHARGE_NAME, VTBL_PTR_TYPE,
	VTABLE_DELTA_NAME, VTABLE_PFN_NAME): Delete.
	* decl.c (initialize_predefined_identifiers): Name cdtor special
	names consistently.  Use literals for above deleted defines.
	(cxx_init_decl_processing): Use literal for vtbl_ptr_type name,

From-SVN: r249791

	* lex.c (maybe_add_lang_type_raw): Exit early, rather than use a
	flag.

From-SVN: r249790

	* call.c (check_dtor_name): Use constructor_name for enums too.
	(build_new_method_call_1): Use constructor_name for cdtors and
	show ~ for dtor.
	* class.c (build_self_reference): Use TYPE_NAME to get name of
	self reference.
	* name-lookup (constructor_name): Use DECL_NAME directly.
	(constructor_name_p): Reimplement.
	(push_class_level_binding_1): Use TYPE_NAME directly.

From-SVN: r249789

	* class.c (finish_struct): Use OVL_P.
	(get_vfield_name): Measure constructor_name length.
	* cp-tree.h (SET_CLASS_TYPE_P): Add RECORD_OR_UNION_CHECK.
	(NON_UNION_CLASS_TYPE_P): Check RECORD_TYPE up front.
	* cxx-pretty-print.c (is_destructor_name): Delete.
	(pp_cxx_unqualified_id): Remove bogus destructor name checking.
	* decl.c (grokfndecl): Move cheap checks first when looking for
	implicit extern cness.

From-SVN: r249788

	* parser.c (cp_parser_direct_declarator): Reorder if to avoid
	indentation. Remove unnecessary assignment of constructor name.

From-SVN: r249787

	* call.c (name_as_c_string): Move CONST_CAST to return.
	(build_new_method_call_1): Remove unneeded bracing.
	* class.c (include_empty_classes): Unbreak line.
	* constraint.cc (tsubst_check_constraint): Add space.
	* cp-tree.h (lang_decl_ns): Add comment.
	(PTRMEM_CST_MEMBER): Break line.
	* decl.c (grokfndecl): Add blank lines. Unbreak some others.
	(grokdeclarator): Remove lines, move declaration to first use.
	* decl2.c (decl_needed_p): Fix indentation.
	(c_parse_final_cleanups): Remove blank line.
	* method.c (implicitly_declare_fn): Move declaration to first use.
	* search.c (current_scope): Add blank lines.

From-SVN: r249786

tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add reduction chains to LOOP_VINFO_REDUCTIONS.

2017-06-29  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
	reduction chains to LOOP_VINFO_REDUCTIONS.
	* tree-vect-slp.c (vect_analyze_slp): Continue looking for
	SLP reductions after processing reduction chains.

	* gcc.dg/vect/slp-reduc-8.c: New testcase.

From-SVN: r249785

	gcc/
	* builtins.c (fold_builtin_FUNCTION): Use
	lang_hooks.decl_printable_name.

	gcc/cp/
	* g++.dg/cpp1y/builtin_FUNCTION.C: New.

From-SVN: r249784

gcc/
	PR middle-end/81194
	* cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
	with only one label.
	* stmt.c (expand_case): Assert NCASES is greater than one.

gcc/testsuite/
	PR middle-end/81194
	* g++.dg/pr81194.C: New test.

From-SVN: r249783

The testcase in

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80565

is passing now.  Check in the testcase and resolve it as fixed.

	PR ipa/80565
	* gcc.dg/torture/pr80565.c: New file.

From-SVN: r249782

2017-06-29  Richard Biener  <rguenther@suse.de>

	* tree-cfg.c (group_case_labels_stmt): Return whether we changed
	anything.
	(group_case_labels): Likewise.
	(find_taken_edge): Push sanity checking on val to workers...
	(find_taken_edge_cond_expr): ... here
	(find_taken_edge_switch_expr): ... and here, handle cases
	with just a default label.
	* tree-cfg.h (group_case_labels_stmt): Adjust prototype.
	(group_case_labels): Likewise.
	* tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
	group_case_labels does anything cleanup the CFG again.

From-SVN: r249780

	PR tree-optimization/81196
	* tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
	exit condition comparing two IVs.

	gcc/testsuite
	* gcc.dg/vect/pr81196.c: New.

From-SVN: r249778