From-SVN: r167614

From-SVN: r167613

	* doc/sourcebuild.texi (Texinfo Manuals): Change update_web_docs
	to update_web_docs_svn.
	(Front End): Likewise.

From-SVN: r167612

2010-12-08  Iain Sandoe <iains@gcc.gnu.org>

	gcc/config.gcc (with_cpu): Default i[34567]86-*-darwin* and
	x86_64-*-darwin* to with_cpu:-core2.
	gcc/config/i386/mmx.md (*mov<mode>_internal_rex64): Replace movq
	with movd for darwin assembler.
	gcc/config/i386/sse.md (*vec_concatv2di_rex64_sse4_1): Ditto.
	(*vec_concatv2di_rex64_sse): Ditto.

From-SVN: r167611

In gcc/objc/:
2010-12-08  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc-act.c (objc_finish_foreach_loop): Use error_at() instead of
	error() when printing an error about the iterating variable or
	collection not being an object.

In gcc/testsuite/:
2010-12-08  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc.dg/foreach-6.m: Updated location of error messages.
	* objc.dg/foreach-7.m: Same change.

From-SVN: r167610

2010-12-08  Richard Guenther  <rguenther@suse.de>
	    Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/45230
	PR tree-optimization/45231
	PR tree-optimization/45370
	* sese.c (rename_uses): Returns a bool.  Call
	recompute_tree_invariant_for_addr_expr only on the RHS of a
	GIMPLE_ASSIGN.
	(graphite_copy_stmts_from_block): Call fold_stmt_inplace when
	rename_uses returns true.
	* tree-ssa-copy.c (replace_exp): Add a comment about calling
	fold_stmt_inplace after replace_exp.

	* gcc.dg/graphite/id-pr45230-1.c: New.
	* gcc.dg/graphite/id-pr45231.c: New.
	* gfortran.dg/graphite/id-pr45370.f90: New.

Co-Authored-By: Sebastian Pop <sebastian.pop@amd.com>

From-SVN: r167609

re PR fortran/46772 (libquadmath: Build failure - strtod: static declaration of 'strtod'  follows non-static declaration)

2010-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/46772
        * gdtoa/gdtoa.h: Include stdlib.h instead of declare strtod.
        * gdtoa/gdtoaimp.h: Don't declare strtod.

From-SVN: r167608

re PR c++/45329 (When printing a list of candidate functions, explain why each function failed to match.)

gcc/cp/
	PR c++/45329
	* call.c (struct conversion): Document bad_p field.
	(enum rejection_reason_code): Define.
	(struct conversion_info): Define.
	(struct rejection_reason): Define.
	(struct z_candidate): Add `reason' field.
	(add_candidate): Add `reason' parameter.  Store it in CAND.
	(alloc_rejection, arity_rejection, arg_conversion_rejection):
	New functions.
	(bad_arg_conversion_rejection): New function.
	(convert_class_to_reference): Add comment.
	(remaining_arguments): New function.
	(add_function_candidate): Record rejection reason and pass it to
	add_candidate.
	(add_conv_candidate, build_builtin_candidate): Likewise.
	(add_template_candidate_real): Likewise.
	(print_conversion_rejection): New function.
	(print_z_candidate): Print CAND->REASON if it exists.  Adjust
	diagnostic strings.
	(print_z_candidates): Add location_t argument.  Adjust calling
	sequence for print_z_candidate. Print header line directly.
	(build_user_type_conversion_1): Add reason for rejection to
	CAND.  Adjust call to print_z_candidates.
	(print_error_for_call_failure): New function.
	(build_new_function_call): Call it.  Adjust call to
	print_z_candidates.
	(build_operator_new_call): Likewise.
	(build_op_call): Likewise.
	(build_conditional_expr): Likewise.
	(build_new_op): Likewise.
	(build_new_method_call): Likewise.

gcc/testsuite/
	PR c++/45329
	* testsuite/g++.dg/conversion/ambig1.C: Adjust.
	* testsuite/g++.dg/conversion/op1.C: Adjust.
	* testsuite/g++.dg/conversion/simd1.C: Adjust.
	* testsuite/g++.dg/cpp0x/defaulted14.C: Adjust.
	* testsuite/g++.dg/cpp0x/defaulted18.C: Adjust.
	* testsuite/g++.dg/cpp0x/defaulted20.C: Adjust.
	* testsuite/g++.dg/cpp0x/explicit3.C: Adjust.
	* testsuite/g++.dg/cpp0x/explicit4.C: Adjust.
	* testsuite/g++.dg/cpp0x/implicit4.C: Adjust.
	* testsuite/g++.dg/cpp0x/nullptr15.C: Adjust.
	* testsuite/g++.dg/cpp0x/nullptr19.C: Adjust.
	* testsuite/g++.dg/cpp0x/pr31431-2.C: Adjust.
	* testsuite/g++.dg/cpp0x/pr31431.C: Adjust.
	* testsuite/g++.dg/cpp0x/pr31434.C: Adjust.
	* testsuite/g++.dg/cpp0x/pr31437.C: Adjust.
	* testsuite/g++.dg/cpp0x/rv2n.C: Adjust.
	* testsuite/g++.dg/cpp0x/rv3n.C: Adjust.
	* testsuite/g++.dg/cpp0x/rv4n.C: Adjust.
	* testsuite/g++.dg/cpp0x/rv5n.C: Adjust.
	* testsuite/g++.dg/cpp0x/rv6n.C: Adjust.
	* testsuite/g++.dg/cpp0x/rv7n.C: Adjust.
	* testsuite/g++.dg/cpp0x/temp_default2.C: Adjust.
	* testsuite/g++.dg/cpp0x/trailing4.C: Adjust.
	* testsuite/g++.dg/cpp0x/variadic-ex3.C: Adjust.
	* testsuite/g++.dg/cpp0x/variadic-ex4.C: Adjust.
	* testsuite/g++.dg/cpp0x/variadic35.C: Adjust.
	* testsuite/g++.dg/cpp0x/vt-35147.C: Adjust.
	* testsuite/g++.dg/cpp0x/vt-37737-2.C: Adjust.
	* testsuite/g++.dg/expr/cond9.C: Adjust.
	* testsuite/g++.dg/expr/pmf-1.C: Adjust.
	* testsuite/g++.dg/ext/label5.C: Adjust.
	* testsuite/g++.dg/ext/visibility/anon8.C: Adjust.
	* testsuite/g++.dg/ext/vla2.C: Adjust.
	* testsuite/g++.dg/gomp/pr26690-1.C: Adjust.
	* testsuite/g++.dg/gomp/pr26690-2.C: Adjust.
	* testsuite/g++.dg/init/synth2.C: Adjust.
	* testsuite/g++.dg/lookup/conv-1.C: Adjust.
	* testsuite/g++.dg/lookup/new1.C: Adjust.
	* testsuite/g++.dg/lookup/using9.C: Adjust.
	* testsuite/g++.dg/other/error13.C: Adjust.
	* testsuite/g++.dg/other/error20.C: Adjust.
	* testsuite/g++.dg/other/error31.C: Adjust.
	* testsuite/g++.dg/other/pr28114.C: Adjust.
	* testsuite/g++.dg/other/ptrmem10.C: Adjust.
	* testsuite/g++.dg/other/ptrmem11.C: Adjust.
	* testsuite/g++.dg/overload/ambig1.C: Adjust.
	* testsuite/g++.dg/overload/arg3.C: Adjust.
	* testsuite/g++.dg/overload/builtin1.C: Adjust.
	* testsuite/g++.dg/overload/copy1.C: Adjust.
	* testsuite/g++.dg/overload/new1.C: Adjust.
	* testsuite/g++.dg/overload/template4.C: Adjust.
	* testsuite/g++.dg/overload/unknown1.C: Adjust.
	* testsuite/g++.dg/overload/using2.C: Adjust.
	* testsuite/g++.dg/parse/crash5.C: Adjust.
	* testsuite/g++.dg/parse/error19.C: Adjust.
	* testsuite/g++.dg/parse/error28.C: Adjust.
	* testsuite/g++.dg/parse/template7.C: Adjust.
	* testsuite/g++.dg/parse/typename7.C: Adjust.
	* testsuite/g++.dg/rtti/typeid6.C: Adjust.
	* testsuite/g++.dg/tc1/dr152.C: Adjust.
	* testsuite/g++.dg/template/conv11.C: Adjust.
	* testsuite/g++.dg/template/copy1.C: Adjust.
	* testsuite/g++.dg/template/crash37.C: Adjust.
	* testsuite/g++.dg/template/deduce3.C: Adjust.
	* testsuite/g++.dg/template/dependent-expr5.C: Adjust.
	* testsuite/g++.dg/template/error38.C: Adjust.
	* testsuite/g++.dg/template/error40.C: Adjust.
	* testsuite/g++.dg/template/friend.C: Adjust.
	* testsuite/g++.dg/template/incomplete2.C: Adjust.
	* testsuite/g++.dg/template/instantiate5.C: Adjust.
	* testsuite/g++.dg/template/local4.C: Adjust.
	* testsuite/g++.dg/template/local6.C: Adjust.
	* testsuite/g++.dg/template/new3.C: Adjust.
	* testsuite/g++.dg/template/operator9.C: Adjust.
	* testsuite/g++.dg/template/overload6.C: Adjust.
	* testsuite/g++.dg/template/ptrmem2.C: Adjust.
	* testsuite/g++.dg/template/ptrmem20.C: Adjust.
	* testsuite/g++.dg/template/ptrmem4.C: Adjust.
	* testsuite/g++.dg/template/ptrmem8.C: Adjust.
	* testsuite/g++.dg/template/qualttp5.C: Adjust.
	* testsuite/g++.dg/template/sfinae2.C: Adjust.
	* testsuite/g++.dg/template/spec22.C: Adjust.
	* testsuite/g++.dg/template/spec23.C: Adjust.
	* testsuite/g++.dg/template/ttp25.C: Adjust.
	* testsuite/g++.dg/template/typedef4.C: Adjust.
	* testsuite/g++.dg/template/unify10.C: Adjust.
	* testsuite/g++.dg/template/unify11.C: Adjust.
	* testsuite/g++.dg/template/unify6.C: Adjust.
	* testsuite/g++.dg/template/unify7.C: Adjust.
	* testsuite/g++.dg/template/unify9.C: Adjust.
	* testsuite/g++.dg/template/varmod1.C: Adjust.
	* testsuite/g++.old-deja/g++.benjamin/15799.C: Adjust.
	* testsuite/g++.old-deja/g++.benjamin/15800-1.C: Adjust.
	* testsuite/g++.old-deja/g++.brendan/ambiguity1.C: Adjust.
	* testsuite/g++.old-deja/g++.brendan/crash29.C: Adjust.
	* testsuite/g++.old-deja/g++.brendan/crash48.C: Adjust.
	* testsuite/g++.old-deja/g++.brendan/crash56.C: Adjust.
	* testsuite/g++.old-deja/g++.brendan/cvt3.C: Adjust.
	* testsuite/g++.old-deja/g++.brendan/overload1.C: Adjust.
	* testsuite/g++.old-deja/g++.brendan/overload4.C: Adjust.
	* testsuite/g++.old-deja/g++.brendan/overload9.C: Adjust.
	* testsuite/g++.old-deja/g++.bugs/900127_01.C: Adjust.
	* testsuite/g++.old-deja/g++.bugs/900205_04.C: Adjust.
	* testsuite/g++.old-deja/g++.bugs/900330_02.C: Adjust.
	* testsuite/g++.old-deja/g++.bugs/900404_03.C: Adjust.
	* testsuite/g++.old-deja/g++.bugs/900514_03.C: Adjust.
	* testsuite/g++.old-deja/g++.eh/ctor1.C: Adjust.
	* testsuite/g++.old-deja/g++.jason/conversion11.C: Adjust.
	* testsuite/g++.old-deja/g++.jason/crash3.C: Adjust.
	* testsuite/g++.old-deja/g++.jason/overload16.C: Adjust.
	* testsuite/g++.old-deja/g++.jason/overload28.C: Adjust.
	* testsuite/g++.old-deja/g++.jason/scoping10.C: Adjust.
	* testsuite/g++.old-deja/g++.jason/template30.C: Adjust.
	* testsuite/g++.old-deja/g++.jason/temporary2.C: Adjust.
	* testsuite/g++.old-deja/g++.law/arg1.C: Adjust.
	* testsuite/g++.old-deja/g++.law/arg11.C: Adjust.
	* testsuite/g++.old-deja/g++.law/arm9.C: Adjust.
	* testsuite/g++.old-deja/g++.law/ctors11.C: Adjust.
	* testsuite/g++.old-deja/g++.law/ctors17.C: Adjust.
	* testsuite/g++.old-deja/g++.law/ctors5.C: Adjust.
	* testsuite/g++.old-deja/g++.law/ctors9.C: Adjust.
	* testsuite/g++.old-deja/g++.law/enum4.C: Adjust.
	* testsuite/g++.old-deja/g++.law/missed-error2.C: Adjust.
	* testsuite/g++.old-deja/g++.law/operators32.C: Adjust.
	* testsuite/g++.old-deja/g++.law/operators9.C: Adjust.
	* testsuite/g++.old-deja/g++.mike/net2.C: Adjust.
	* testsuite/g++.old-deja/g++.mike/net22.C: Adjust.
	* testsuite/g++.old-deja/g++.mike/p11110.C: Adjust.
	* testsuite/g++.old-deja/g++.mike/p1989.C: Adjust.
	* testsuite/g++.old-deja/g++.mike/p2431.C: Adjust.
	* testsuite/g++.old-deja/g++.mike/p438.C: Adjust.
	* testsuite/g++.old-deja/g++.mike/p807a.C: Adjust.
	* testsuite/g++.old-deja/g++.mike/p9068.C: Adjust.
	* testsuite/g++.old-deja/g++.niklas/t120.C: Adjust.
	* testsuite/g++.old-deja/g++.niklas/t121.C: Adjust.
	* testsuite/g++.old-deja/g++.niklas/t128.C: Adjust.
	* testsuite/g++.old-deja/g++.ns/overload2.C: Adjust.
	* testsuite/g++.old-deja/g++.ns/using12.C: Adjust.
	* testsuite/g++.old-deja/g++.other/crash24.C: Adjust.
	* testsuite/g++.old-deja/g++.other/expr1.C: Adjust.
	* testsuite/g++.old-deja/g++.other/overload11.C: Adjust.
	* testsuite/g++.old-deja/g++.other/pmf3.C: Adjust.
	* testsuite/g++.old-deja/g++.other/volatile1.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/auto_ptr.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/crash28.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/crash60.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/explicit38.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/explicit39.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/explicit41.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/explicit67.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/explicit77.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/expr2.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/ptrmem10.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/ptrmem6.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/spec35.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/spec5.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/spec6.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/t05.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/t24.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/unify4.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/unify6.C: Adjust.
	* testsuite/g++.old-deja/g++.pt/unify8.C: Adjust.
	* testsuite/g++.old-deja/g++.robertl/eb109.C: Adjust.
	* testsuite/g++.old-deja/g++.robertl/eb119.C: Adjust.
	* testsuite/g++.old-deja/g++.robertl/eb131.C: Adjust.
	* testsuite/g++.old-deja/g++.robertl/eb22.C: Adjust.
	* testsuite/g++.old-deja/g++.robertl/eb69.C: Adjust.
	* testsuite/g++.old-deja/g++.robertl/eb98.C: Adjust.

From-SVN: r167607

2010-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/46520
        * configure.ac: Use GCC_TRY_COMPILE_OR_LINK instead of
        AC_TRY_LINK and cache libquad_have_float128.
        * configure: Regenerate.

From-SVN: r167605

	PR debug/46749
	* config/darwin.h (COLLECT_RUN_DSYMUTIL): Add.
	(DSYMUTIL_SPEC): Use `linker' flags instead to handle lto
	better.
	* config/darwin9.h (COLLECT_RUN_DSYMUTIL): Add.
	(DSYMUTIL_SPEC): Use `linker' flags instead to handle lto
	better.
	* collect2.c (post_ld_pass): Add.
	(process_args): Add.
	(maybe_run_lto_and_relink): Call post_ld_pass after ld.
	(main): Likewise.  Call process_args.

From-SVN: r167603

	PR c++/45822
	* cp-tree.h (LOOKUP_DEFAULTED): New.
	* call.c (add_function_candidate): Check it.
	* method.c (synthesized_method_walk): Set it.
	(do_build_copy_assign): Likewise.
	* init.c (perform_member_init): Likewise.
	(emit_mem_initializers): Likewise.

From-SVN: r167602

	PR c++/46736
	* decl.c (cp_finish_decl): Complain about an implicitly deleted
	method defaulted outside the class.
	* method.c (maybe_explain_implicit_delete): Don't check DECL_INITIAL.

From-SVN: r167601

	PR middle-end/46844
	* regrename.c (check_new_reg_p): Add ATTRIBUTE_UNUSED to reg
	parameter.

From-SVN: r167596

2010-12-08  Richard Earnshaw  <rearnsha@arm.com>

	PR target/46631
	* arm.c (thumb2_reorg): Also try to reduce <commutative_op> Rd, Rn, Rd
	into a 16-bit instruction.

2010-12-08  Wei Guozhi  <carrot@google.com>

	PR target/46631
	* gcc.target/arm/pr46631: New testcase.

From-SVN: r167595

From-SVN: r167594

tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use a shift instead of a division to divide by BITS_PER_UNIT.

2010-12-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use a shift
	instead of a division to divide by BITS_PER_UNIT.

From-SVN: r167592

2010-12-08  Richard Guenther  <rguenther@suse.de>

	* gimplify.c (gimple_tree_eq): Assert hashes are equal only
	when checking is enabled.

From-SVN: r167591

	* splay-tree.c (splay_tree_foreach_helper): Remove arg `sp',
	all callers updated.  Rewrite to be non-recursive.

From-SVN: r167589

        PR target/43603
        * haifa-sched.c (sched_create_recovery_edges): Update
        dominator info.
        * sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info
        after deleting an empty block.
        (tidy_control_flow): Also verify dominators.
        (sel_remove_bb): Update dominator info after removing a block.
        (sel_redirect_edge_and_branch_force): Assert that no unreachable
        blocks will be created. Update dominator info.
        (sel_redirect_edge_and_branch): Update dominator info when
        basic blocks do not become unreachable.
        (sel_remove_loop_preheader): Update dominator info.

From-SVN: r167588

2010-12-07  Richard Guenther  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
	Reset alignment information.
	(bump_vector_ptr): Likewise.

From-SVN: r167584

2010-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/46543
        * configure.ac: Add texinfo checks.
        * Makefile.am: Handle .texi documentation.
        * libquadmath.texi: New.
        * configure: Regenerated.
        * Makefile.in: Regenerated.

From-SVN: r167583

	PR other/46840
Link libgo against -lm.

From-SVN: r167582

	PR middle-end/46671
	PR target/46685
	* config/pa/pa.c (pa_function_section): New function.
	(TARGET_ASM_FUNCTION_SECTION): Define.

From-SVN: r167581

2010-12-07  François Dumont  <francois.cppdevs@free.fr>

	* include/bits/stl_iterator.h: Add move_iterator operators overloads
	to make it robust to template abuses.
	* testsuite/util/testsuite_greedy_ops.h: New.
	* testsuite/23_containers/vector/types/1.cc: Use latter.
	* testsuite/23_containers/deque/types/1.cc: Likewise.
	* testsuite/24_iterators/move_iterator/greedy_ops.cc: New.
	* testsuite/24_iterators/normal_iterator/greedy_ops.cc: New.
	* testsuite/24_iterators/reverse_iterator/greedy_ops.cc: New.
	* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust dg-error
	line numbers.

From-SVN: r167580

From-SVN: r167579

From-SVN: r167575

Fixes issue 1320.

From-SVN: r167573

re PR bootstrap/46810 (sparc64-linux bootstrap fails with "C++ preprocessor "/lib/cpp" fails sanity check")

	PR bootstrap/46810
	* configure.ac: Disable AC_MSG_ERROR while looking for the C++
	preprocessor.
	* configure: Rebuild.

Co-Authored-By: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

From-SVN: r167572

2010-12-07  Tobias Burnus  <burnus@net-b.de>

        PR fortran/44352
        * trans-expr.c (gfc_string_to_single_character): Return if not
        POINTER_TYPE_P.
        (gfc_trans_string_copy): gfc_build_addr_expr if src or dest is
        not a pointer.
        (gfc_trans_string_copy): Make sure the argument string type
        has a string length, fix indention, and remove not needed
        gfc_build_addr_expr.

2010-12-07  Tobias Burnus  <burnus@net-b.de>

        PR fortran/44352
        * gfortran.dg/string_4.f90: New.

From-SVN: r167569

* config/pdp11/pdp11.c (output_addr_const_pdp11): Output negative
values with sign rather than as unsigned.

From-SVN: r167567

* config/pdp11/pdp11.c (output_addr_const_pdp11): Output negative
values with sign rather than as unsigned.

From-SVN: r167566

re PR tree-optimization/46805 (ICE: SIGSEGV in optab_for_tree_code (optabs.c:407) with -O -fno-tree-scev-cprop -ftree-vectorize)

	PR tree-optimization/46805
	PR tree-optimization/46833
	* go-lang.c (go_langhook_type_for_mode): Handle vector modes.

From-SVN: r167563

2010-12-07  Richard Guenther  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
	Reset alignment information.
	(bump_vector_ptr): Likewise.

From-SVN: r167556

2010-12-07  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/44676
	* gcc.dg/graphite/id-pr44676.c: New.

From-SVN: r167554

* config/pdp11/pdp11.c (TARGET_ASM_FUNCTION_SECTION): Define.
(pdp11_function_section): New function.

From-SVN: r167553

	(layout_mcore_frame, handle_structs_in_regs): Use gcc_assert.
	* config/spu/spu.c: Don't include assert.h.
	(spu_sms_res_mii): Use gcc_assert.

cp:
	* rtti.c: Don't include assert.h.

java:
	* jcf-parse.c: Don't include assert.h.
	(java_parse_file): Use gcc_assert.

From-SVN: r167552

2010-12-07  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/42327
	* tree-data-ref.c (omega_setup_subscript): Call build_int_cst
	instead of using integer_minus_one_node.

	* gcc.dg/tree-ssa/pr42327.c: New.

From-SVN: r167548

	PR other/46789
	PR bootstrap/46812
	* go-lang.c (go_char_p): Define type and vectors.
	(go_search_dirs): New static variable.
	(go_langhook_handle_option): Use version and version/machine
	directories for -L.
	(go_langhook_post_options): Add non-specific -L paths.
	* Make-lang.in (go/go-lang.o): Define DEFAULT_TARGET_VERSION and
	DEFAULT_TARGET_MACHINE when compiling.
	* gccgo.texi (Invoking gccgo): Only document -L for linking.
	(Import and Export): Don't mention -L for finding import files.

libgo: Install .gox files in version and target specific directory.

From-SVN: r167537

gcc/
	PR c++/45330
	* params.def (CXX_MAX_NAMESPACES_FOR_DIAGNOSTIC_HELP): New parameter.
	* doc/invoke.texi (cxx-max-namespaces-for-diagnostic-help): Document.

gcc/cp/
	PR c++/45330
	* cp-tree.h (suggest_alternatives_for, location_of): Declare.
	* error.c (dump_expr): Handle TYPE_DECL.
	(location_of): Unstaticize.
	* name-lookup.c (suggest_alternatives_for): New function.
	* lex.c (unqualified_name_lookup_error): Call it.

gcc/testsuite/
	PR c++/45330
	* g++.dg/pr45330.C: New test.
	* g++.dg/ext/builtin3.C: Adjust.
	* g++.dg/lookup/error1.C: Adjust.
	* g++.dg/lookup/koenig5.C: Adjust.
	* g++.dg/overload/koenig1.C: Adjust.
	* g++.dg/parse/decl-specifier-1.C: Adjust.
	* g++.dg/template/static10.C: Adjust.
	* g++.old-deja/g++.mike/ns5.C: Adjust.
	* g++.old-deja/g++.mike/ns7.C: Adjust.
	* g++.old-deja/g++.ns/koenig5.C: Adjust.
	* g++.old-deja/g++.ns/koenig9.C: Adjust.
	* g++.old-deja/g++.other/lineno5.C: Adjust.

From-SVN: r167536

2010-12-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46832
	* tree-ssa-math-opts.c (execute_optimize_widening_mul): Check
	that the call has a lhs.

	* gcc.c-torture/compile/pr46832.c: New testcase.

From-SVN: r167535