From-SVN: r210744

From-SVN: r210743

re PR lto/61012 (lto1: errors during merging of translation units (error: variable ‘link’ redeclared as function))


	PR lto/61012
	* lto-symtab.c (lto_symtab_merge_decls_1): Do not ICE on undefined externals
	mixed with variables.

From-SVN: r210740

From-SVN: r210738

	* haifa-sched.c (debug_ready_list): Remove unnecessary prototype.
	(advance_one_cycle): Update.
	(schedule_insn, queue_to_ready): Add debug printouts.
	(debug_ready_list_1): New static function.
	(debug_ready_list): Update.
	(max_issue): Add debug printouts.
	(dump_insn_stream): New static function.
	(schedule_block): Use it.  Also better indent printouts.

From-SVN: r210737

	* haifa-sched.c (schedule_insn): Update.
	(struct haifa_saved_data): Add nonscheduled_insns_begin.
	(save_backtrack_point, restore_backtrack_point): Update.
	(first_nonscheduled_insn): New static function.
	(queue_to_ready, choose_ready): Use it.
	(schedule_block): Init nonscheduled_insns_begin.
	(sched_emit_insn): Update.

From-SVN: r210736

2014-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* config/aarch64/aarch64.c (aarch64_regno_regclass) : Change CORE_REGS
	to GENERAL_REGS.
	(aarch64_secondary_reload) : LikeWise.
	(aarch64_class_max_nregs) : Remove CORE_REGS.
	* config/aarch64/aarch64.h (enum reg_class) : Remove CORE_REGS.
	(REG_CLASS_NAMES) : Likewise.
	(REG_CLASS_CONTENTS) : LikeWise.
	(INDEX_REG_CLASS) : Change CORE_REGS to GENERAL_REGS.

From-SVN: r210735

From-SVN: r210733

2014-05-21  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/61143
	* include/bits/hashtable.h: Fix move semantic to leave hashtable in a
	usable state.
	* testsuite/23_containers/unordered_set/61143.cc: New.
	* testsuite/23_containers/unordered_set/modifiers/swap.cc: New.

From-SVN: r210726

	* config/aarch64/arm_neon.h (vqdmulh_n_s16): Change the last operand's
	constraint.
	(vqdmulhq_n_s16): Likewise.

From-SVN: r210725

From-SVN: r210724

	PR sanitizer/61272
	* ubsan.c (is_ubsan_builtin_p): Turn assert into a condition.

	* g++.dg/ubsan/pr61272.C: New test.

From-SVN: r210723

	PR c/61212
	* files.c (find_file_in_dir): Add parens around &&.

From-SVN: r210722

	PR c++/61133
	* lambda.c (build_capture_proxy, add_capture): Treat normal
	captures and init-captures identically.

From-SVN: r210720

2014-05-21  Martin Jambor  <mjambor@suse.cz>

	* doc/invoke.texi (Optimize Options): Document parameters
	ipa-cp-eval-threshold, ipa-max-agg-items, ipa-cp-loop-hint-bonus and
	ipa-cp-array-index-hint-bonus.

From-SVN: r210718

Add a new lang-hook that provides the underlying base type of an
ENUMERAL_TYPE. The default implementation will just use type_for_size.
The implementation for C++ will use the ENUM_UNDERLYING_TYPE if it exists.
Use this enum_underlying_base_type lang-hook in dwarf2out.c to add a
DW_AT_type base type reference to a DW_TAG_enumeration.

gcc/
	* dwarf2out.c (gen_enumeration_type_die): Add DW_AT_type if DWARF
	version >= 3 or not strict DWARF.
	* langhooks.h (struct lang_hooks_for_types): Add
	enum_underlying_base_type.
	* langhooks.c (lhd_enum_underlying_base_type): New function.
	* gcc/langhooks.h (struct lang_hooks_for_types): Add
	enum_underlying_base_type.
	* langhooks-def.h (lhd_enum_underlying_base_type): New declaration.
	(LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE): New define.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add new lang hook.

gcc/cp/
	* cp-lang.c (cxx_enum_underlying_base_type): New function.
	(LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE): Define.

From-SVN: r210717

	* config/locale/dragonfly/c_locale.cc (facet::_S_create_c_locale):
	Fix warning.

From-SVN: r210716

	PR libstdc++/61269
	* include/std/type_traits: Move include outside namespace std.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.

From-SVN: r210715

2014-05-21  Cesar Philippidis  <cesar@codesourcery.com>
	    Sandra Loosemore  <sandra@codesourcery.com>

	PR lto/60179
 
	gcc/testsuite/
	* lib/scanasm.exp (scan-lto-assembler): New procedure.
	* gcc.target/nios2/custom-fp-lto.c: New test.

Co-Authored-By: Sandra Loosemore <sandra@codesourcery.com>

From-SVN: r210714

2014-05-21  Richard Biener  <rguenther@suse.de>

	* doc/invoke.texi (-flto-partition=): Document one and
	none algorithms.

From-SVN: r210713

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* layout.adb: Minor reformatting.
	* sem_prag.adb (Analyze_Pragma, case Inspection_Point): Call
	dummy procedure ip.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* restrict.ads (Implementation_Restriction): Add entry for
	No_Fixed_IO.
	* rtsfind.ads: Add entries for Fixed_IO and Decimal_IO in
	Ada.[Wide_[Wide_]Text_IO.
	* s-rident.ads (Restriction_Id): Add entry for No_Fixed_IO.
	* sem_attr.adb (Analyze_Attribute): Disallow fixed point types
	for Img, Image, Value, Wide_Image, Wide_Value, Wide_Wide_Image,
	Wide_Wide_Value if restriction No_Fixed_IO is set.
	* sem_util.adb (Set_Entity_Checks): Check restriction No_Fixed_IO.

From-SVN: r210710

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* gnatcmd.adb: Minor error msg changes (no upper case letter
	at start).
	* sem_ch12.adb, sem_ch5.adb, sem_res.adb, sem_util.adb: Minor
	reformatting.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* debug.adb: Debug flag -gnatd.G inhibits static elab tracing
	via generic formals.
	* sem_elab.adb (Is_Call_Of_Generic_Formal): Return False if
	-gnatd.G is set.

2014-05-21  Thomas Quinot  <quinot@adacore.com>

	* exp_pakd.adb (Revert_Storage_Order): Renamed from Byte_Swap to
	more accurately describe that this subprogram needs to come into
	play also in cases where no byte swapping is involved, because
	it also takes care of some required shifts (left-justification
	of values).

2014-05-21  Thomas Quinot  <quinot@adacore.com>

	* freeze.adb (Check_Component_Storage_Order): Indicate whether
	a Scalar_Storage_Order attribute definition is present for the
	component's type.
	(Freeze_Record_Type): Suppress junk warnings
	about purportedly junk Bit_Order / Scalar_Storage_Order attribute
	definitions.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* sem_ch8.adb (Analyze_Subprogram_Renaming): Put back call
	to Kill_Elaboration_Checks.

2014-05-21  Gary Dismukes  <dismukes@adacore.com>

	* layout.adb (Assoc_Add): Suppress the optimization of the (E
	- C1) + C2 case, when the expression type is unsigned and C1 <
	C2, to avoid creating a negative literal when folding.

From-SVN: r210709

2014-05-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* freeze.adb (Freeze_Record_Type): Update the use of
	Is_SPARK_Volatile.
	* sem_ch3.adb (Analyze_Object_Contract): Update the use of
	Is_SPARK_Volatile.
	(Process_Discriminants): Update the use of Is_SPARK_Volatile.
	* sem_ch5.adb (Analyze_Iterator_Specification): Update the use
	of Is_SPARK_Volatile.
	(Analyze_Loop_Parameter_Specification):
	Update the use of Is_SPARK_Volatile.
	* sem_ch6.adb (Process_Formals): Catch an illegal use of an IN
	formal parameter when its type is volatile.
	* sem_prag.adb (Analyze_Global_Item): Update the use of
	Is_SPARK_Volatile.
	* sem_res.adb (Resolve_Entity_Name): Correct the guard which
	determines whether an entity is a volatile source SPARK object.
	* sem_util.adb (Has_Enabled_Property): Accout for external
	properties being set on objects other than abstract states
	and variables. An example would be a formal parameter.
	(Is_SPARK_Volatile): New routine.
	(Is_SPARK_Volatile_Object):
	Remove the entity-specific tests. Call routine Is_SPARK_Volatile
	when checking entities and/or types.
	* sem_util.ads (Is_SPARK_Volatile): New routine.

From-SVN: r210708

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* sem_warn.adb: Minor fix to warning messages (use ?? instead
	of ?).

2014-05-21  Vincent Celier  <celier@adacore.com>

	* gnatcmd.adb (GNATCmd): For platforms other than VMS, recognize
	switch --version and --help.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* sem_elab.adb (Is_Call_Of_Generic_Formal): New function.

2014-05-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb (Analyze_Iterator_Specification): Set type of
	iterator variable when the domain of iteration is a formal
	container and this is an element iterator.

2014-05-21  Bob Duff  <duff@adacore.com>

	* sem_ch12.adb: Minor reformatting.

From-SVN: r210707

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* sinfo.ads, sem_ch12.adb, sem_warn.adb: Minor reformatting.

From-SVN: r210706

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* sem_elab.adb: Minor reformatting.
	* s-taprop.ads: Minor comment fix.
	* sem_ch8.adb (Analyze_Subprogram_Renaming): Remove call to
	Kill_Elaboration_Checks.
	* errout.adb, erroutc.adb: Minor reformatting.

2014-05-21  Thomas Quinot  <quinot@adacore.com>

	* exp_pakd.adb (Byte_Swap): Handle the case of a sub-byte
	component. No byte swapping occurs, but this procedure also takes
	care of appropriately justifying the argument.

2014-05-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch6.adb: sem_ch6.adb (Analyze_Aspects_On_Body_Or_Stub):
	New routine.
	(Analyze_Subprogram_Body_Helper): Move the
	analysis of aspect specifications and the processing of the
	subprogram body contract after inlining has taken place.
	(Diagnose_Misplaced_Aspect_Specifications): Removed.

2014-05-21  Javier Miranda  <miranda@adacore.com>

	* sem_ch3.adb (Build_Derived_Record_Type): Revert previous change.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* sem_eval.ads, sem_eval.adb (Why_Not_Static): Messages are not
	continuations any more.

2014-05-21  Ed Schonberg  <schonberg@adacore.com>

	* sinfo.ads, sinfo.adb: New flag Needs_Initialized_Actual,
	present in formal_Private_Definitions and on private extension
	declarations of a formal derived type. Set when the use of the
	formal type in a generic suggests that the actual should be a
	fully initialized type.
	* sem_warn.adb (May_Need_Initialized_Actual): new subprogram
	to indicate that an entity of a generic type has default
	initialization, and that the corresponing actual type in any
	subsequent instantiation should be fully initialized.
	* sem_ch12.adb (Check_Initialized_Type): new subprogram,
	to emit a warning if the actual for a generic type on which
	Needs_Initialized_Actual is set is not a fully initialized type.

From-SVN: r210705

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* sem_elab.adb, prj-dect.adb: Minor reformatting.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* erroutc.ads: Minor comment addition.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* errout.ads: Add documentation for use of >*> tag.
	* restrict.adb: Make sure we use >*> tag for restriction warnings.

2014-05-21  Gary Dismukes  <dismukes@adacore.com>

	* debug.adb: Add case of illegal overriding_indicator for a
	protected subprogram body to description of -gnatd.E switch.
	* sem_ch6.adb (Verify_Overriding_Indicator): Issue error message
	for cases of giving overriding_indicators on protected subprogram
	bodies, but change this to a warning if -gnatd.E is enabled. No
	longer give a style warning about missing indicators on protected
	subprogram bodies.

From-SVN: r210704

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* prj.ads, sem_ch12.adb, prj.adb, exp_pakd.adb,
	sem_elab.ads: Minor reformatting.
	* erroutc.adb, erroutc.ads (Warning_Specifically_Suppressed): Make Tag
	parameter optional.

2014-05-21  Pascal Obry  <obry@adacore.com>

	* prj-dect.adb: Allow package Install in aggregate project.

From-SVN: r210703

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* sem_ch13.adb (Analyze_Aspect_Specifications):
	Insert_Delayed_Pragma is now used for the case of Attach_Handler.
	* sem_prag.adb: Minor comment improvements.

2014-05-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch12.adb (Install_Body): When checking whether freezing of
	instantiation must be delayed, verify that the common enclosing
	subprogram to generic and instance is in fact an overloadable
	entity.

2014-05-21  Vincent Celier  <celier@adacore.com>

	* makeutl.adb (Mains.Complete_Mains.Do_Complete): Look for all
	mains with the same name and fail if there is more than one.
	* prj.ads, prj.adb (Find_All_Sources): New function

From-SVN: r210702

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* sem_ch13.adb: Minor reformatting.
	* lib-xref-spark_specific.adb, sem_util.adb: Minor reformatting.
	* sem_prag.adb: Minor error message improvement.

From-SVN: r210701

	* lib-xref-spark_specific.adb, lib-xref.ads, lib-xref.adb
	(Enclosing_Subprogram_Or_Package): Only return a library-level
	package.

From-SVN: r210700

sem_ch3.adb (Build_Derived_Record_Type): Initialize Parent_Base to the full view of the parent type when...

2014-05-21  Javier Miranda  <miranda@adacore.com>

	* sem_ch3.adb (Build_Derived_Record_Type): Initialize Parent_Base
	to the full view of the parent type when processing a derived type
	which is the full view of a private type not defined in a generic
	unit which is derived from a private type with discriminants
	whose full view is a non-tagged record type.

From-SVN: r210699

        
        PR ada/9535
        * g-socket.adb (Read and Write for Datagram_Socket_Stream_Type):
        Provide a behaviour more consistent with underlying datagram
        socket: do not attempt to loop over Send_Socket/Receive_Socket
        iterating along the buffer.

From-SVN: r210698

2014-05-21  Javier Miranda  <miranda@adacore.com>

	* exp_ch4.adb (Expand_Allocator_Expression.Apply_Accessibility_Check):
	Complete previous patch.

2014-05-21  Thomas Quinot  <quinot@adacore.com>

	* g-socket.adb (Read and Write for Datagram_Socket_Stream_Type):
	Provide a behaviour more consistent with underlying datagram
	socket: do not attempt to loop over Send_Socket/Receive_Socket
	iterating along the buffer.

2014-05-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* freeze.adb (Freeze_Record_Type): Ensure that a discriminated
	or a tagged type is not labelled as volatile. Ensure that a
	non-volatile type has no volatile components.
	* sem_ch3.adb (Analyze_Object_Contract): Add local constant
	Obj_Typ. Code reformatting.  Ensure that a discriminated or
	tagged object is not labelled as volatile.
	* sem_prag.adb (Process_Atomic_Shared_Volatile): Ensure that
	pragma Volatile applies to a full type declaration or an object
	declaration when SPARK mode is on.

2014-05-21  Sergey Rybin  <rybin@adacore.com frybin>

	* gnat_ugn.texi: For ASIS tools, reword the paragraph about
	providing options needed for compiling the argument source for
	the situation when a project file can be used as a tool parameter.

2014-05-21  Gary Dismukes  <dismukes@adacore.com>

	* gnat_rm.texi: Minor typo fix.

From-SVN: r210697

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* stand.adb (Tree_Read): Read missing entities.
	(Tree_Write): Write missing entities.

2014-05-21  Ben Brosgol  <brosgol@adacore.com>

	* gnat_ugn.texi: Wordsmithing edits to Coupling Metrics Control
	section in gnatmetric chapter.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* exp_ch6.adb (Expand_Actuals): Spec moved here, since not used
	outside Exp_Ch6 (Expand_Actuals): Deal with proper insertion of
	post-call copy write back (see detailed comment in code).
	* exp_ch6.ads (Expand_Actuals): Moved to body, not used outside
	Exp_Ch6.
	* tbuild.ads: Minor reformatting.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* stand.ads: Add warning about adding new entities and
	Tree_Read/Tree_Write.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb (Set_Entity_With_Checks): Don't complain about
	references to restricted entities within the units in which they
	are declared.

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* gnat1drv.adb (Check_Bad_Body): Use Source_File_Is_Body to
	simplify the needed test, and also deal with failure to catch
	situations with non-standard names.
	* sinput-l.ads, sinput-l.adb (Source_File_Is_No_Body): New function
	(Source_File_Is_Subunit): Removed, no longer used.

2014-05-21  Javier Miranda  <miranda@adacore.com>

	* exp_ch4.adb
	(Expand_Allocator_Expression.Apply_Accessibility_Check): for a
	renaming of an access to interface object there is no need to
	generate extra code to reference the tag.

From-SVN: r210696

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* errout.adb, erroutc.adb, erroutc.ads: Allow warning tag in pragma
	Warnings (Off, string).

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* osint.adb: Fix three error messages to say invalid instead
	of erroneous.
	* par-ch4.adb, exp_aggr.adb, sem_attr.adb, sem_aux.adb, sem_ch3.adb,
	sem_ch5.adb, sem_ch6.adb, sem_ch7.adb, sem_dim.adb, sem_res.adb,
	sem_util.adb, sem_util.ads: Fix incorrect use of erroneous in comments.

2014-05-21  Ed Schonberg  <schonberg@adacore.com>

	* freeze.adb, sem_ch13.adb, sem_ch13.ads, sem_ch9.adb,
	sem_ch9.ads: Move discriminant manipulation routines for analysis of
	aspect specifications from sem_ch9 to sem_ch13, where they belong.

From-SVN: r210695

2014-05-21  John Marino  <gnugcc@marino.st>

gcc:

	* config.gcc (*-*-dragonfly*): New target.
	* configure.ac: Detect dl_iterate_phdr (*freebsd*, *dragonfly*).
	* configure: Regenerate.
	* config/dragonfly-stdint.h: New.
	* config/dragonfly.h: New.
	* config/dragonfly.opt: New.
	* config/i386/dragonfly.h: New.
	* ginclude/stddef.h: Detect _PTRDIFF_T_DECLARED for DragonFly.

include:

	* liberty.h: Use basename function on DragonFly.

libcilkrts:

	* runtime/os-unix.c (__DragonFly__): New target.

libgcc:

	* config.host (*-*-dragonfly*): New target.
	* crtstuff.c: Make dl_iterate_support generic on *bsd.
	* enable-execute-stack-mprotect.c: Always mprotect on FreeBSD.
	* unwind-dw2-fde-dip.c: Add dl_iterate_phr support for DragonFly.
	* config/i386/dragonfly-unwind.h: New.

libitm:

	* configure.tgt (*-*-dragonfly*): New target.

libstdc++-v3:

	* acinclude.m4 (*-*-dragonfly*): New target.
	* configure: Regenerate.
	* configure.host (*-*-dragonfly*): New target.
	* config/locale/dragonfly/c_locale.cc: New.
	* config/locale/dragonfly/ctype_members.cc: New.
	* config/os/bsd/dragonfly/ctype_base.h: New.
	* config/os/bsd/dragonfly/ctype_configure_char.cc: New.
	* config/os/bsd/dragonfly/ctype_inline.h: New.
	* config/os/bsd/dragonfly/os_defines.h: New.

From-SVN: r210694

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Clearly document -gnatw.g (GNAT warnings).
	Clearly document -gnatyg (GNAT style switches).
	* usage.adb: Add line line for -gnatw.g (GNAT warnings) More
	detail for line for -gnatyg (GNAT style switches) -gnatw.d/D is
	available for VMS after all.
	* warnsw.adb: Reorganize to eliminate duplicated code
	(Restore_Warnings): Add a couple of missing entries
	(Save_Warnings): Add a couple of missing entries.
	* warnsw.ads: Add missing entries to Warning_Record (not clear
	what the impact is).

2014-05-21  Robert Dewar  <dewar@adacore.com>

	* errout.adb (Set_Msg_Insertion_Warning): Handle ?*? (restriction
	warning) case.
	* errout.ads: Document ?*? (restriction warning) insertion.
	* erroutc.adb (Get_Warning_Tag): Deal with ?*? (restriction
	warning) case.
	* erroutc.ads: Document use of * for restriction warning tag.
	* restrict.adb (Restriction_Msg): Tag with ?*? instead of ??.

2014-05-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch9.adb (Push_Scope_And_Install_Discriminants): Do not
	make discriminants immediately visible when analyzing an aspect
	of a subtype declaration.
	(Uninstall_Discriminants): Do not apply to the entity in a
	subtype declaration.

From-SVN: r210693

gcc/
	* tree.def (VOID_CST): New.
	* tree-core.h (TI_VOID): New.
	* tree.h (void_node): New.
	* tree.c (tree_node_structure_for_code, tree_code_size)
	(iterative_hash_expr): Handle VOID_CST.
	(build_common_tree_nodes): Initialize void_node.

gcc/c-family/
	* c-common.h (CTI_VOID_ZERO, void_zero_node): Delete.
	* c-common.c (c_common_nodes_and_builtins): Don't initialize
	void_zero_node.
	* c-pretty-print.c (pp_c_void_constant): New function.
	(c_pretty_printer::constant, c_pretty_printer::primary_expression)
	(c_pretty_printer::expression): Handle VOID_CST.
	* cilk.c (extract_free_variables): Likewise.
	* c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift)
	(ubsan_instrument_vla): Use void_node instead of void_zero_node.

gcc/c/
	* c-array-notation.c (expand_array_notations): Use void_node
	instead of void_zero_node.

gcc/cp/
	* cvt.c (convert_to_void): Use void_node instead of void_zero_node.
	* cp-array-notation.c (replace_invariant_exprs): Likewise.
	(expand_array_notation): Handle VOID_CST.
	* error.c (dump_expr): Likewise.
	* cxx-pretty-print.c (cxx_pretty_printer::primary_expression)
	(cxx_pretty_printer::expression): Likewise.
	(pp_cxx_new_expression): Use void_node instead of void_zero_node.
	* decl.c (register_dtor_fn): Likewise.
	* init.c (build_raw_new_expr, build_new_1, build_vec_init)
	(build_delete, push_base_cleanups): Likewise.
	* mangle.c (write_expression): Likewise.
	* semantics.c (finish_break_stmt, empty_expr_stmt_p): Likewise.
	* pt.c (tsubst_decl, tsubst_copy_and_build): Likewise.
	(tsubst, tsubst_copy, build_non_dependent_expr): Handle VOID_CST.
	* tree.c (cp_tree_equal): Likewise.
	(build_dummy_object, is_dummy_object, stabilize_expr): Use void_node
	instead of void_zero_node.
	* typeck.c (check_return_expr): Likewise.
	* typeck2.c (build_functional_cast): Likewise.

From-SVN: r210692

2014-05-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.adb: Code clean up.

2014-05-21  Eric Botcazou  <ebotcazou@adacore.com>

	* gnat_ugn.texi: Document -Werror.

From-SVN: r210691