PR tree-optimization/84960
	* tree-cfg.c (remove_bb): Don't move forced labels into bb->prev_bb
	if it is ENTRY block, move them into single succ of ENTRY in that case.

	* gcc.c-torture/compile/pr84960.c: New test.

From-SVN: r258744

This patch fixes incorrect results for HOST_WIDE_INT positions
at opposite extremes when used with HOST_WIDE_INT sizes.  It also
fixes UB when comparing such positions with unsigned HOST_WIDE_INT
sizes (although the results in that case were wrapv-correct).

2018-03-20  Richard Sandiford  <richard.sandiford@linaro.org>

gcc/
	PR tree-optimization/84811
	* poly-int.h (poly_span_traits): Remove the T3 parameter and
	promote HOST_WIDE_INT T2 - T1 results to unsigned HOST_WIDE_INT.
	(maybe_in_range_p, known_in_range_p, ranges_known_overlap_p):
	(known_subrange_p): Update accordingly.  Cast each value involved
	in the size comparison, rather than casting the result of the
	subtraction.

gcc/testsuite/
	PR tree-optimization/84811
	* gcc.dg/torture/pr84811.c: New test.

From-SVN: r258743

re PR tree-optimization/84982 (logically inverting bools into local array results in bitwise negation)

	PR tree-optimization/84982
	* gimple-ssa-store-merging.c (invert_op): Handle boolean inversion
	by flipping the least significant bit rather than all bits from
	bitpos to bitpos + bitsize - 1.

	* c-c++-common/pr84982.c: New test.

From-SVN: r258742

	PR c++/84961
	* cp-tree.h (genericize_compound_lvalue): Declare.
	* typeck.c (genericize_compound_lvalue): New function.
	(unary_complex_lvalue, cp_build_modify_expr): Use it.
	* semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
	and PREDECREMENT_EXPR in output and "m" constrained input operands with
	COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
	COMPOUND_EXPR operand.

	* c-c++-common/pr43690.c: Don't expect errors on "m" (--x) and
	"m" (++x) in C++.
	* g++.dg/torture/pr84961-1.C: New test.
	* g++.dg/torture/pr84961-2.C: New test.

From-SVN: r258741

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg01129.html
	PR c++/85008
	* tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
	* decl2.c (vague_linkage_p): Likewise.

	PR c++/85008
	* g++.dg/pr85008.C: New.

From-SVN: r258738

Since the kind of the hidden character length variable is not part of
the character variable definition, we must ensure that character
lengths are always of the same kind in interfaces, regardless of how
they were declared in the source. This patch ensures this when calling
a procedure.

Regtested on x86_64-pc-linux-gnu and i686-pc-linux-gnu.

gcc/fortran/ChangeLog:

2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/84615
	* trans-expr.c (gfc_conv_procedure_call): Convert charlen to
	gfc_charlen_type_node when calling procedure.

gcc/testsuite/ChangeLog:

2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/84615
	* gfortran.dg/char_result_17.f90: New test.

From-SVN: r258736

gcc/cp/ChangeLog:
	PR c++/84994
	* constexpr.c (constexpr_fn_retval): Make non-"static".
	* cp-tree.h (constexpr_fn_retval): New decl.
	* search.c (direct_accessor_p): Update leading comment.
	(reference_accessor_p): Likewise.
	(field_accessor_p): Replace check that function body is a
	RETURN_EXPR with a call to constexpr_fn_retval.  Fix
	indentation of "field_type" decl.

gcc/testsuite/ChangeLog:
	PR c++/84994
	* g++.dg/other/accessor-fixits-1.C: Move to...
	* g++.dg/torture/accessor-fixits-1.C: ...here.
	* g++.dg/other/accessor-fixits-2.C: Move to...
	* g++.dg/torture/accessor-fixits-2.C: ...here.
	* g++.dg/other/accessor-fixits-3.C: Move to...
	* g++.dg/torture/accessor-fixits-3.C: ...here.
	* g++.dg/other/accessor-fixits-4.C: Move to...
	* g++.dg/torture/accessor-fixits-4.C: ...here.
	* g++.dg/other/accessor-fixits-5.C: Move to...
	* g++.dg/torture/accessor-fixits-5.C: ...here.
	* g++.dg/torture/accessor-fixits-6.C: New testcase.
	* g++.dg/torture/accessor-fixits-7.C: New testcase.
	* g++.dg/torture/accessor-fixits-8.C: New testcase.

From-SVN: r258731

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg01083.html
	* doc/extend.texi (Deprecated Features): Remove mention of
	long-deleted deprecations.

From-SVN: r258730

	* gcc.dg/tree-ssa/pr84512.c: xfail on 64-bit SPARC.

From-SVN: r258729

	gcc/jit:
	PR jit/84288
	* Make-lang.in ($(LIBGCCJIT_FILENAME)): Add $(EXTRA_GCC_LIBS).

	gcc:
	PR jit/84288
	* configure.ac (gcc_cv_ld_soname) <*-*-solaris2*>: Set.
	* configure: Regenerate.

From-SVN: r258727

The test pr82989.c which was added in one of previous commits is failing for
mthumb and big-endian configurations. The aim of this test was to check that
NEON instructions are not being used for simple shift operations. The scanning
of lsl and lsr instructions and checking its counts were just too restrictive
for different configurations. So I have now simplified the test to only check
for the absence of NEON instructions.

*** gcc/testsuite/ChangeLog ***

2018-03-21  Sudakshina Das  <sudi.das@arm.com>

	PR target/82989
	* gcc.target/arm/pr82989.c: Change dg scan-assembly directives.

From-SVN: r258723

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg01108.html
	PR c++/84804
	* name-lookup.c (do_pushtag): Permit lambdas to be pushed into
	complete classes.


	PR c++/84804
	* g++.dg/lookup/pr84804.C: New.

From-SVN: r258722

	* Makefile.am (check-runtime): Pass -test.timeout
	with GOTOOLS_TEST_TIMEOUT.
	* Makefile.in: Rebuild.

From-SVN: r258721

PR c++/84850 - -Wclass-memaccess on a memcpy in a copy assignment operator with no nontrivial bases or members

gcc/cp/ChangeLog:

	PR c++/84850
	* call.c (first_non_public_field): New template and function.
	(first_non_trivial_field): New function.
	(maybe_warn_class_memaccess): Call them.

gcc/testsuite/ChangeLog:

	PR c++/84850
	* g++.dg/Wclass-memaccess-3.C: New test.
	* g++.dg/Wclass-memaccess-4.C: New test.

From-SVN: r258719

gcc/cp/ChangeLog:
	PR c++/84892
	* search.c (field_accessor_p): Use class_of_this_parm rather than
	type_of_this_parm, to check that "this" is a "const T *", rather
	than a "T *const".

gcc/testsuite/ChangeLog:
	PR c++/84892
	* g++.dg/other/accessor-fixits-1.C
	(test_access_const_t1_color): New.
	(test_deref_const_t1_color): New.
	* g++.dg/other/accessor-fixits-5.C: New testcase.

From-SVN: r258716

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg01093.html
	* MAINTAINERS: Move maintainers of now-removed picochip and score
	ports to write after approval.

From-SVN: r258715

	* testsuite/20_util/function_objects/comparisons_pointer.cc: Use
	VERIFY instead of assert.
	* testsuite/20_util/hash/84998.cc: New test.
	* testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
	copy of test adjusted for Debug Mode.
	* testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
	test in Debug Mode.

From-SVN: r258714

2018-03-21  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/83126
	* tree-parloops.c (num_phis): New function.
	(gen_parallel_loop): Detect and handle canonicalize_loop_ivs failure.

	* gcc.dg/graphite/pr83126.c: New test.

From-SVN: r258713

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg00995.html
	* doc/extend.texi (Deprecated Features): Update deprecared flags,
	mention anon-struct/union members and trailing attributes.

	cp/
	* class.c (finish_struct_anon_r): Refactor, deprecate anything
	other than public non-static data members.
	* parser.c (cp_parser_init_declarator): Deprecate attributes after
	parenthesized initializer.

	testsuite/
	* g++.dg/ext/anon-struct6.C: Adjust.
	* g++.dg/ext/deprecate-1.C: New.
	* g++.dg/ext/deprecate-2.C: New.
	* g++.dg/lookup/pr84602.C: Adjust.
	* g++.dg/lookup/pr84962.C: Adjust.
	* g++.old-deja/g++.other/anon4.C

From-SVN: r258712

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg01082.html
	PR c++/84836
	* name-lookup.c (update_binding): Correct logic for local binding
	update.

	PR c++/84836
	* g++.dg/lookup/pr84836.C: New.

From-SVN: r258711

	PR tree-optimization/84969
	* tree-loop-distribution.c (fuse_memset_builtins): Don't reorder
	builtin memset partitions if they set different rhs values.

	gcc/testsuite
	* gcc.dg/tree-ssa/pr84969.c: New test.

From-SVN: r258710

re PR rtl-optimization/84989 (_mm512_broadcast_f32x4 triggers ICE in simplify_const_unary_operation, at simplify-rtx.c:1731)

	PR rtl-optimization/84989
	* simplify-rtx.c (simplify_unary_operation_1): Don't try to simplify
	VEC_DUPLICATE with scalar result mode.

	* gcc.target/i386/pr84989.c: New test.

From-SVN: r258709

From-SVN: r258708

2018-03-21  Christophe Lyon  <christophe.lyon@linaro.org>

	* gcc.target/arm/pr82518.c: Require arm_neon_hw.

From-SVN: r258707

2018-03-21  Christophe Lyon  <christophe.lyon@linaro.org>

	* test_summary: Match possible single quotes in configure path.

From-SVN: r258706

2018-03-21  Martin Liska  <mliska@suse.cz>

	PR ipa/84963
	* ipa-icf.c (sem_item_optimizer::fixup_points_to_sets): Remove
	not intended return statement.
2018-03-21  Martin Liska  <mliska@suse.cz>

	PR ipa/84963
	* gfortran.dg/goacc/pr84963.f90: New test.

From-SVN: r258705

2018-03-21  Martin Liska  <mliska@suse.cz>

	PR target/84988
	* tree-chkp.c (CHKP_ARRAY_MAX_CHECK_STEPS): Define a new macro.
	(chkp_find_bound_slots_1): Limit number of iterations.

From-SVN: r258704

	* constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
	even when we replace an element.

	* g++.dg/cpp0x/nsdmi14.C: New test.
	* g++.dg/cpp1y/nsdmi-aggr10.C: New test.

From-SVN: r258703

2018-03-21  Chenghua Xu  <paul.hua.gm@gmail.com>

       * gcc.dg/vect/vect-strided-shift-1.c: Add dg-skip-if for
       MIPS with -mpaired-single directives.

From-SVN: r258702

2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/85001
	* interface.c (symbol_rank): Remove bogus null pointer check that
	crept in when translating a ternary operator into an if-else 
	constructor.

2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/85001
	* gfortran.dg/interface_41.f90: New test.

From-SVN: r258698

From-SVN: r258697

	PR target/84838
	* Minor grammar fixes for x86 options.

From-SVN: r258694

2018-03-20  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/84998
	* include/bits/stl_bvector.h: Fix std::hash friend declaration.
	* include/std/bitset: Likewise.
	* include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
	declaration.
	* include/bits/stl_multimap.h (std::multimap<>): Likewise.
	* include/bits/stl_multiset.h (std::multiset<>): Likewise.
	* include/bits/stl_set.h (std::set<>): Likewise.
	* include/bits/unordered_map.h (std::unordered_map<>): Fix
	_Hash_merge_helper friend declaration.
	(std::unordered_multimap<>): Likewise.
	* include/bits/unordered_set.h (std::unordered_set<>): Likewise.
	(std::unordered_multiset<>): Likewise.

From-SVN: r258693

	PR debug/84875
	* dce.c (delete_unmarked_insns): Don't remove frame related noop moves
	holding REG_CFA_RESTORE notes, instead turn them into a USE.

	* gcc.dg/pr84875.c: New test.

From-SVN: r258692

	PR c++/84927
	* constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
	as we evaluate the elements.
	(cxx_eval_constant_expression): Verify constructor's flags
	unconditionally.

	* g++.dg/cpp1y/nsdmi-aggr9.C: New test.

From-SVN: r258691

	* cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
	(cp_get_callee_fndecl_nofold): New.
	* cp-gimplify.c (cp_genericize_r): Use it instead.
	* call.c (check_self_delegation): Likewise.

From-SVN: r258689

	PR target/83789
	* config/rs6000/altivec.md (altivec_lvx_<mode>_2op): Delete define_insn.
	(altivec_lvx_<mode>_1op): Likewise.
	(altivec_stvx_<mode>_2op): Likewise.
	(altivec_stvx_<mode>_1op): Likewise.
	(altivec_lvx_<VM2:mode>): New define_expand.
	(altivec_stvx_<VM2:mode>): Likewise.
	(altivec_lvx_<VM2:mode>_2op_<P:mptrsize>): New define_insn.
	(altivec_lvx_<VM2:mode>_1op_<P:mptrsize>): Likewise.
	(altivec_stvx_<VM2:mode>_2op_<P:mptrsize>): Likewise.
	(altivec_stvx_<VM2:mode>_1op_<P:mptrsize>): Likewise.
	* config/rs6000/rs6000-p8swap.c (rs6000_gen_stvx): Use new expanders.
	(rs6000_gen_lvx): Likewise.
	* config/rs6000/rs6000.c (altivec_expand_lv_builtin): Likewise.
	(altivec_expand_stv_builtin): Likewise.
	(altivec_expand_builtin): Likewise.
	* config/rs6000/vector.md: Likewise.

From-SVN: r258688

It is tricky to get right. Aarch64 does it by adding the appropriate lane-swapping
operations during expansion.

I'd like to do the same on arm eventually, but we'd need to port and validate the VTBL-generating
code and add it to all the right places and I'm not comfortable enough doing it for GCC 8, but I am keen
in getting the wrong-code fixed.
As I say in the PR, vectorisation on armeb is already severely restricted (we disable many patterns on BYTES_BIG_ENDIAN)
and the load/store_lanes patterns really were not working properly at all, so disabling them is not
a radical approach.

The way to do that is to return false in ARRAY_MODE_SUPPORTED_P for BYTES_BIG_ENDIAN.

Bootstrapped and tested on arm-none-linux-gnueabihf.
Also tested on armeb-none-eabi.


     PR target/82518
     * config/arm/arm.c (arm_array_mode_supported_p): Return false for
     BYTES_BIG_ENDIAN.

     * lib/target-supports.exp (check_effective_target_vect_load_lanes):
     Disable for armeb targets.
     * gcc.target/arm/pr82518.c: New test.

From-SVN: r258687

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg00961.html
	PR c++/84962
	* name-lookup.c (pushdecl_class_level): Push anon-struct's
	member_vec, if there is one.

	PR c++/84962
	* g++.dg/lookup/pr84962.C: New.

From-SVN: r258686

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg00973.html
	PR c++/84970
	* cp-tree.h (lookup_list_keep): Declare.
	* tree.c (lookup_list_keep): New, broken out of ...
	(build_min): ... here.  Call it.
	* decl.c (cp_finish_decl): Call lookup_list_keep.

	PR c++/84970
	* g++.dg/lookup/pr84970.C: New.

From-SVN: r258685