PR debug/47858
	* gimple.h (enum gimple_debug_subcode): Add GIMPLE_DEBUG_SOURCE_BIND.
	(gimple_build_debug_source_bind_stat): New prototype.
	(gimple_build_debug_source_bind): Define.
	(gimple_debug_source_bind_p, gimple_debug_source_bind_get_var,
	gimple_debug_source_bind_get_value,
	gimple_debug_source_bind_get_value_ptr,
	gimple_debug_source_bind_set_var,
	gimple_debug_source_bind_set_value): New inlines.
	* gimple.c (gimple_build_debug_source_bind_stat): New function.
	* gimple-pretty-print.c (dump_gimple_debug): Handle
	GIMPLE_DEBUG_SOURCE_BIND.
	* sese.c (rename_uses): Handle gimple_debug_source_bind_p.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
	* tree-parloops.c (eliminate_local_variables,
	separate_decls_in_region): Likewise.
	(separate_decls_in_region_debug): Renamed from
	separate_decls_in_region_debug_bind.  Handle
	gimple_debug_source_bind_p.
	* tree.h (decl_debug_args_lookup, decl_debug_args_insert): New
	prototypes.
	(DECL_HAS_DEBUG_ARGS_P): Define.
	(struct tree_function_decl): Add has_debug_args_flag field.
	* tree.c (debug_args_for_decl): New variable.
	(decl_debug_args_lookup, decl_debug_args_insert): New functions.
	* tree-into-ssa.c (mark_def_sites): Handle uses in debug stmts.
	(rewrite_debug_stmt_uses): New function.
	(rewrite_stmt): Use it to rewrite debug stmt uses.
	* rtl.def (DEBUG_PARAMETER_REF): New.
	* rtl.h (DEBUG_PARAMETER_REF_DECL): Define.
	* cselib.c (rtx_equal_for_cselib_1, cselib_hash_rtx): Handle
	DEBUG_PARAMETER_REF.
	* rtl.c (rtx_equal_p_cb, rtx_equal_p, iterative_hash_rtx): Likewise.
	* print-rtl.c (print_rtx): Likewise.
	* tree-sra.c (sra_ipa_reset_debug_stmts): Prefer replacing of
	SSA_NAMEs with DEBUG_EXPR_DECLs initialized in source bind
	debug stmts in the first bb.
	* tree-inline.c (remap_ssa_name): If remapping default def
	of a PARM_DECL fails, map to a DEBUG_EXPR_DECL set in
	a source bind debug stmt.
	(remap_gimple_stmt): Handle gimple_debug_source_bind_p.
	(maybe_move_debug_stmts_to_successors): Likewise.
	(copy_debug_stmt): Likewise.  Avoid shadowing a variable.
	(tree_function_versioning): If DECL_HAS_DEBUG_ARGS_P, copy
	debug args vector from old_decl to new_decl.
	* ipa-prop.c (ipa_modify_call_arguments): For optimized away
	or modified parameters, add debug bind stmts before call
	setting DEBUG_EXPR_DECL which is remembered in debug args
	vector.
	* cfgexpand.c (expand_call_stmt): Call expand_debug_expr
	on DECL_DEBUG_EXPRs from debug args vector.
	(expand_debug_source_expr): New function.
	(expand_debug_locations): Use it for source bind insns.
	(expand_gimple_basic_block): Handle gimple_debug_source_bind_p.
	* var-tracking.c (prepare_call_arguments): Add debug args
	to call_arguments if any.
	* dwarf2out.c (dwarf_stack_op_name, size_of_loc_descr,
	output_loc_operands, output_loc_operands_raw,
	resolve_addr_in_expr, compare_loc_operands): Handle
	DW_OP_GNU_parameter_ref.
	(get_ref_die_offset, parameter_ref_descriptor): New functions.
	(mem_loc_descriptor): Handle DEBUG_PARAMETER_REF.
	(gen_subprogram_die): Handle parameters identified by
	DEBUG_PARAMETER_REF.

	* dwarf2.h (enum dwarf_location_atom): Add DW_OP_GNU_parameter_ref.

From-SVN: r175288

	* doc/invoke.texi (ARM Options): Document -mtls-dialect option.
	* doc/install.texi (Configuration): Document --with-tls.
	* config.gcc (arm*-*-linux*): Default to gnu tls.
	(arm*-*-*): Add --with-tls option.
	(all_defaults): Add 'tls'.
	* config/arm/arm.c (enum tls_reloc): Add TLS_DESCSEQ.
	(arm_call_tls_get_addr): Clean up. Assert not tls descriptor.
	(arm_tls_descseq_addr): New.
	(legitimize_tls_address): Add tlsdesc support.
	(arm_cannot_copy_insn_p): Check for tlscall.
	(arm_emit_tls_decoration): Likewise.
	* config/arm/arm.h (TARGET_GNU2_TLS): New.
	(OPTION_DEFAULT_SPECS): Add with-tls support.
	* config/arm/arm.md (R1_REGNUM): Define.
	(tlscall): New.
	* config/arm/arm.opt (tls_type): New enumeration type and values.
	(mtls-dialect): New switch.
	* config/arm/arm-opts.h (enum tls_type): New.

	testsuite/
	* gcc.target/arm/tlscall.c: New.

From-SVN: r175287

In gcc/:
2011-06-21  Nicola Pero  <nicola.pero@meta-innovation.com>

	* attribs.c (register_attribute): Added assert to check that all
	attribute specs are registered with a name that is not empty and
	does not start with '_'.
	(decl_attributes): Avoid the lookup of the "naked" attribute spec
	if the function has no attributes.
	* tree.c (is_attribute_with_length_p): Removed.
	(is_attribute_p): Removed.
	(private_is_attribute_p): New.  
	(private_lookup_attribute): New.
	(lookup_attribute): Removed.
	(lookup_ident_attribute): New.
	(remove_attribute): Require the first argument to be in the form
	'text', not '__text__'.  Updated asserts.
	(merge_attributes): Use lookup_ident_attributes instead of
	lookup_attribute.
	(merge_dllimport_decl_attributes): Use remove_attribute.
	(attribute_list_contained): Likewise.
	(attribute_list_equal): Immediately return 1 if the arguments are
	identical pointers.
	* tree.h (is_attribute_p): Made inline.  Return a 'bool', not an
	'int'.  Require the first argument to be in the form 'text', not
	'__text__'.  Require the second argument to be an identifier.
	(lookup_attribute): Made inline.  Require the first argument to be
	in the form 'text', not '__text__'.
	(private_is_attribute_p, private_lookup_attribute): New.
	Updated comments.

From-SVN: r175286

	* ChangeLog: Fix formatting.
	* testsuite/ChangeLog: Ditto.

From-SVN: r175285

	PR c++/49172
	* decl.c (cp_finish_decl): Adjust init_const_expr_p for refs.
	(grokdeclarator): constexpr doesn't apply const for refs.
	* parser.c (cp_parser_initializer_clause): Don't call
	maybe_constant_value here.
	* call.c (initialize_reference): Handle constexpr.

From-SVN: r175284

From-SVN: r175283

gogo-tree.cc (Gogo::define_builtin_function_trees): Change BUILT_IN_ADD_AND_FETCH to BUILT_IN_SYNC_ADD_AND_FETCH.

	* gogo-tree.cc (Gogo::define_builtin_function_trees): Change
	BUILT_IN_ADD_AND_FETCH to BUILT_IN_SYNC_ADD_AND_FETCH.

From-SVN: r175278

2011-06-22  Daniel Krugler  <daniel.kruegler@googlemail.com>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/move.h (__is_nothrow_swappable): Add.
	(swap(_Tp(&)[_Nm], _Tp(&)[_Nm])): Use noexcept.
	* include/bits/algorithmfwd.h: Adjust.
	* testsuite/25_algorithms/swap/noexcept.cc: New.


Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>

From-SVN: r175277

	PR c++/49482
	* semantics.c (maybe_add_lambda_conv_op): Call mark_exp_read for
	static fn parameters.

From-SVN: r175273

	* call.c (add_builtin_candidates): Use cv_unqualified rather than
	TYPE_MAIN_VARIANT.
	* pt.c (tsubst_arg_types): Likewise.
	* except.c (build_throw): Use cv_unqualified.

From-SVN: r175272

	PR c++/49418
	* call.c (cxx_type_promotes_to): Don't strip cv-quals.
	* semantics.c (lambda_return_type): Strip them here.

From-SVN: r175271

cosmetic. Add sync_ to all the expand_builtin defines which do not match the actual builtin_sync_ names.

2011-06-21  Andrew MacLeod  <amacleod@redhat.com>

	* builtins.c: Add sync_ or SYNC__ to builtin names.
	* sync-builtins.def: Add sync_ or SYNC__ to builtin names.
	* omp-low.c: Add sync_ or SYNC__ to builtin names.
	* c-family/c-common.c: Add sync_ or SYNC__ to builtin names.
	* c-family/c-omp.c: Add sync_ or SYNC__ to builtin names.
	* java/builtins.c: Add sync_ or SYNC__ to builtin names.
	* java/expr.c: Add sync_ or SYNC__ to builtin names.
	* cp/semantics.c: Add sync_ or SYNC__ to builtin names.
	* fortran/trans-openmp.c: Add sync_ or SYNC__ to builtin names.
	* fortran/trans-stmt.c: Add sync_ or SYNC__ to builtin names.
	* fortran/trans-decl.c: Add sync_ or SYNC__ to builtin names.

From-SVN: r175270

	PR target/33049
	* config/avr/avr.md (extzv): New expander.
	(*extzv): New insn.
	(*extzv.qihi1, *extzv.qihi2): New insn-and-split.
	* config/avr/constraints.md (C04): New constraint.
	* doc/md.texi (Machine Constraints): Document it.

From-SVN: r175269

	PR libgcj/49314
	* gnu/gcj/convert/natIconv.cc (iconv_init): Pad in[] with NUL byte.

From-SVN: r175266

	PR middle-end/49489
	* builtins.c (expand_builtin_unop): Call expand_unop with 0 as
	unsignedp argument instead of 1 for clrsb_optab.
	(fold_builtin_bitop): Fix masking for width > HOST_BITS_PER_WIDE_INT
	and < 2 * HOST_BITS_PER_WIDE_INT.  Optimize BUILT_IN_CLRSB*.
	(fold_builtin_1): Call fold_builtin_binop for BUILT_IN_CLRSB*.
	* optabs.c (widen_leading): Call widen_operand and expand_unop
	with 0 as unsignedp argument instead of 1 for clrsb_optab.
	(expand_unop): Subtract difference of mode sizes also for
	clrsb_optab.

From-SVN: r175265

From-SVN: r175264

	* gensupport.c (add_define_attr): New static function.
	(is_predicable): Allow multi-alternative lists for the "predicable"
	attribute.
	(modify_attr_enabled_ce, alter_attrs_for_insn): New static functions.
	(process_one_cond_exec): Call alter_attrs_for_insn.
	* doc/md.texi (Defining Attributes): Mention some standard names.
	(Conditional Execution): Update documentation for "predicable".

From-SVN: r175263

	* shared-object.mk (c_flags-$o): Save c_flags.
	($(base)$(objext)): Use it.
	($(base)_s$(objext)): Likewise.

From-SVN: r175262

	libgcc/
	* Makefile.in (lib2funcs): Add _clrsbsi2 and _clrsbdi2.
	* libgcc-std.ver.in (GCC_4.7.0): New section.

	gcc/
	* doc/extend.texi (__builtin_clrsb, __builtin_clrsbl,
	__builtin_clrsbll): Document.
	* doc/rtl.texi (clrsb): New entry.
	* optabs.c (widen_leading): Renamed from widen_clz.  New argument
	UNOPTAB.  All callers changed.  Use UNOPTAB instead of clz_optab.
	(expand_unop): Handle clrsb_optab.
	(init_optabs): Initialize it.
	* optabs.h (enum optab_index): New entry OTI_clrsb.
	(clrsb_optab): Define.
	* genopinit.c (optabs): Add an entry for it.
	* builtins.c (expand_builtin): Handle clrsb builtin functions.
	* builtins.def (BUILT_IN_CLRSB, BUILT_IN_CLRSBIMAX, BUILT_IN_CLRSBL,
	BUILT_IN_CLRSBLL): New.
	* rtl.def (CLRSB): New code.
	* dwarf2out.c (mem_loc_descriptor): Handle it.
	* simplify-rtx.c (simplify_const_unary_operation): Likewise.
	Use op_mode rather than mode when optimizing ffs, clz, ctz, parity
	and popcount.
	* libgcc2.c (__clrsbSI2, __clrsbDI2): New functions.
	* libgcc2.h (__clrsbSI2, __clrsbDI2): Define and declare.
	(__ctzDI2): Move declaration.
	* config/bfin/bfin.md (clrsbsi2): New expander.
	(signbitssi2): Use the CLRSB rtx.
	(clrsbhi2): Renamed from signbitshi2.  Use the CLRSB rtx.
	* config/bfin/bfin.c (bdesc_1arg): Changed accordingly.

	gcc/testsuite/
	* gcc.c-torture/excute/builtin-bitops-1.c (MAKE_FUNS): Make
	my_clrsb test functions.
	(main): Test clrsb.
	* gcc.dg/builtin-protos-1.c (test_s, test_u, test_sl, test_ul,
	test_sll, test_ull): Add clrsb tests.
	* gcc.dg/torture/builtin-attr-1.c: Add tests for clrsb, clrsbl,
	clrsbll.

From-SVN: r175261

re PR fortran/49112 ([OOP] Missing type-bound procedure, "duplicate save" warnings and internal compiler error)

2011-06-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/49112
	* class.c (gfc_find_derived_vtab): Make vtab and default initialization
	symbols SAVE_IMPLICIT.

2011-06-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/49112
	* gfortran.dg/class_44.f03: New.

From-SVN: r175257

2011-06-21  Richard Guenther  <rguenther@suse.de>

	* ipa-inline-transform.c (inline_transform): Fix previous
	change.

From-SVN: r175256

        PR tree-optimization/49478
        * tree-vect-loop.c (vectorizable_reduction): Handle DOT_PROD_EXPR
        with constant operand.

From-SVN: r175255

2011-06-21  Richard Guenther  <rguenther@suse.de>

	* ipa-inline-transform.c (inline_transform): Fix typo.

From-SVN: r175253

2011-06-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49483
	* tree-vect-stmts.c (vectorizable_assignment): Also handle
	VIEW_CONVERT_EXPR conversions.

	* gcc.dg/vect/vect-120.c: New testcase.

From-SVN: r175252

gcc/po:
	* gcc.pot: Regenerate.

libcpp/po:
	* cpplib.pot: Regenerate.

From-SVN: r175251

From-SVN: r175250

contrib:
	* gcc_update (gcc/config/avr/avr-tables.opt): New dependencies.

gcc:
	* config/avr/avr-mcus.def, config/avr/genopt.sh: New files.
	* config/avr/avr-tables.opt: New file (generated).
	* config.gcc (avr-*-*): Use avr/avr-tables.opt.
	* config/avr/avr-devices.c (avr_mcu_types): Move contents to
	avr-mcus.def.
	* config/avr/avr.c (avr_help, TARGET_HELP): Remove.
	(avr_option_override): Don't process -mmcu= argument here.  Set
	avr_current_device using avr_mcu_index.
	(avr_file_start): Use avr_current_device->name instead of
	avr_mcu_name.
	* config/avr/avr.opt (mmcu=): Use Enum.
	* config/avr/t-avr (avr-devices.o): Update dependencies.
	($(srcdir)/config/avr/avr-tables.opt): New.
	* target.def (help): Remove.
	* doc/tm.texi.in (TARGET_HELP): Remove.
	* doc/tm.texi: Regenerate.
	* opts.c: Don't include target.h.
	(common_handle_option): Don't call targetm.help.
	* system.h (TARGET_HELP): Poison.
	* Makefile.in (opts.o): Update dependencies.

From-SVN: r175248

re PR testsuite/49443 (gcc.dg/vect/vect-peel-3.c and vect-peel-4.c fail on IA64 after testsuite change)


        PR testsuite/49443
        * gcc.dg/vect/vect-peel-3.c: Expect to fail on vect_no_align
        targets.
        * gcc.dg/vect/vect-peel-4.c: Likewise.

From-SVN: r175246

	* config/usegld.h: New file.
	* config/sol2.h (PREFERRED_DEBUGGING_TYPE): Remove.
	(CPP_SUBTARGET_SPEC): Remove -compat-bsd support.
	(LIB_SPEC): Likewise.
	Search /lib.
	(LINK_ARCH32_SPEC_BASE): Remove -compat-bsd support.
	(RDYNAMIC_SPEC): Handle GNU ld.
	[HAVE_LD_EH_FRAME_HDR && TARGET_DL_ITERATE_PHDR] (LINK_EH_SPEC): Define.
	(SUPPORTS_INIT_PRIORITY): Only disable for Sun ld.
	(SUBTARGET_INSERT_ATTRIBUTES, SUBTARGET_ATTRIBUTE_TABLE): Define.
	[!USE_GAS] (NO_DBX_BNSYM_ENSYM): Redefine.
	(STACK_CHECK_STATIC_BUILTIN): Define.
	* config/sol2.opt (compat-bsd): Remove.
	* config/sol2-10.h (TARGET_C99_FUNCTIONS): Remove undef.
	* config/sol2-bi.h: New file.
	* config/sol2-gld.h: Remove.
	* config/i386/sol2.h (TLS_COMMON_ASM_OP): Only define if !USE_GAS.
	(NO_DBX_BNSYM_ENSYM): Remove.
	(SUBTARGET_INSERT_ATTRIBUTES, SUBTARGET_ATTRIBUTE_TABLE): Remove.
	(STACK_CHECK_STATIC_BUILTIN): Remove.
	Test USE_GLD instead of TARGET_GNU_LD.
	* config/i386/sol2-10.h: Rename to ...
	* config/i386/sol2-bi.h .. this.
	(SUBTARGET_EXTRA_SPECS): Redefine.
	(WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE): Remove.
	(MULTILIB_DEFAULTS): Remove.
	(DEFAULT_ARCH32_P): Define.
	(LINK_ARCH64_SPEC_BASE, LINK_ARCH64_SPEC): Remove.
	(ARCH64_SUBDIR): Define.
	Test USE_GLD instead of TARGET_GNU_LD.
	(I386_EMULATION): Rename to ...
	(ARCH32_EMULATION): ... this.
	(X86_64_EMULATION): Rename to ...
	(ARCH64_EMULATION): ... this.
	(TARGET_LD_EMULATION): Remove.
	(LINK_ARCH_SPEC): Remove.
	* config/i386/sol2-gas.h: Remove.
	* config/i386/t-sol2-10: Rename to ...
	* config/i386/t-sol2-64: ... this.
	* config/sparc/sol2.h (SPARC_DEFAULT_CMODEL): Redefine.
	(AS_SPARC64_FLAG): Define.
	(ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Redefine.
	(CPP_CPU64_DEFAULT_SPEC, ASM_CPU32_DEFAULT_SPEC): Redefine
	depending on TARGET_CPU_DEFAULT.
	(CPP_CPU_SPEC): Redefine.
	(ASM_CPU_SPEC): Handle DEFAULT_ARCH32_P.
	(CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Redefine.
	(CPP_ARCH32_SPEC, CPP_ARCH64_SPEC, CPP_ARCH_SPEC): Redefine.
	(ASM_ARCH_SPEC, ASM_ARCH32_SPEC, ASM_ARCH64_SPEC,
	ASM_ARCH_DEFAULT_SPEC): Redefine.
	(SUBTARGET_EXTRA_SPECS): Add LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
	LINK_ARCH_DEFAULT_SPEC.
	[USE_GLD] (ARCH32_EMULATION, ARCH64_EMULATION): Define.
	[USE_GLD] (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Redefine.
	(ARCH64_SUBDIR): Define.
	(LINK_ARCH64_SPEC): Redefine.
	(CC1_SPEC): Redefine.
	(OPTION_DEFAULT_SPECS): Redefine.
	(MULTILIB_DEFAULTS): Define.
	(WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE): Redefine.
	[USE_GAS && HAVE_AS_TLS] (TARGET_SUN_TLS, TARGET_GNU_TLS): Redefine.
	[USE_GLD] (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Undef.
	(NO_DBX_BNSYM_ENSYM): Remove.
	(SUBTARGET_INSERT_ATTRIBUTES, SUBTARGET_ATTRIBUTE_TABLE): Remove.
	(ASM_OUTPUT_ALIGN_WITH_NOP): Only define if !USE_GAS.
	(TARGET_ASM_NAMED_SECTION): Likewise.
	(STACK_CHECK_STATIC_BUILTIN): Remove.
	* config/sparc/sol2-bi.h: Remove.
	* config/sparc/sol2-gas-bi.h: Remove.
	* config/sparc/sol2-gas.h: Remove.
	* config/sparc/sol2-gld-bi.h: Remove.
	* config.gcc (i[34567]86-*-solaris2*, sparc*-*-solaris2*): Move
	common parts ...
	(*-*-solaris2*): ... here.

From-SVN: r175245

From-SVN: r175243

From-SVN: r175242

From-SVN: r175241

From-SVN: r175240

From-SVN: r175239

	* Makefile.in (dg_target_exps): Set.
	(check_gcc_parallelize): Parallelize gcc testing into 10 jobs
	instead of 7, try to divide it more evenly.

	* Make-lang.in (check_gfortran_parallelize): Parallelize dg.exp
	into 6 jobs instead of 3.

	* testsuite/Makefile.am (check_DEJAGNU_normal_targets): Add
	check-DEJAGNUnormal[4-9].
	(check-DEJAGNU): Split into 10 jobs for parallel testing instead of 4.
	* testsuite/Makefile.in: Regenerated.

From-SVN: r175238

	PR c++/49216
	* init.c (build_vec_init): Don't try to use a CONSTRUCTOR when
	base is a pointer.
	* typeck2.c (process_init_constructor_array): Use {} for classes,
	too.
	* call.c (convert_like_real): Handle substitution failure.

From-SVN: r175237

re PR c++/48138 (__attribute__((aligned)) should give an error when applied to a typedef or template parameter, at least in C++0x mode.)

	PR c++/48138
	* pt.c (canonicalize_type_argument): New.
	(convert_template_argument, unify): Use it.

From-SVN: r175236

From-SVN: r175235

	* config/i386/i386.c (avx256_split_unaligned_load): New definition.
	(avx256_split_unaligned_store): New definition.
	(ix86_option_override_internal): Enable avx256 unaligned load/store
	splitting only when avx256_split_unaligned_load/store is set.

From-SVN: r175230

2011-06-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.h (gfc_check_vardef_context): Update prototype.
        (iso_fortran_env_symbol): Handle derived types.
        (symbol_attribute): Add lock_comp.
        * expr.c (gfc_check_vardef_context): Add LOCK_TYPE check.
        * interface.c (compare_parameter, gfc_procedure_use): Handle
        LOCK_TYPE.
        (compare_actual_formal): Update
        gfc_check_vardef_context call.
        * check.c (gfc_check_atomic_def, gfc_check_atomic_ref): Ditto.
        * intrinsic.c (check_arglist): Ditto.
        * io.c (resolve_tag, gfc_resolve_dt, gfc_resolve_inquire):
        * Ditto.
        * iso-fortran-env.def (ISOFORTRAN_LOCK_TYPE): Add.
        * intrinsic.texi (ISO_FORTRAN_ENV): Document LOCK_TYPE.
        * module.c (mio_symbol_attribute): Handle lock_comp.
        (create_derived_type): New function.
        (use_iso_fortran_env_module): Call it to handle LOCK_TYPE.
        * parse.c (parse_derived): Add constraint check for LOCK_TYPE.
        * resolve.c (resolve_symbol, resolve_lock_unlock): Add
        * constraint
        checks for LOCK_TYPE.
        (gfc_resolve_iterator, resolve_deallocate_expr,
        resolve_allocate_expr, resolve_code, resolve_transfer): Update
        gfc_check_vardef_context call.
        * trans-stmt.h (gfc_trans_lock_unlock): New prototype.
        * trans-stmt.c (gfc_trans_lock_unlock): New function.
        * trans.c (trans_code): Handle LOCK and UNLOCK.

2011-06-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray_lock_1.f90: Update dg-error.
        * gfortran.dg/coarray_lock_3.f90: New.
        * gfortran.dg/coarray/lock_1.f90: New.

From-SVN: r175228