2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR preprocessor/51061
	* incpath.c (merge_include_chains): Make sure to not pass null
	pointers to free_path.

From-SVN: r181216

/cp
2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51045
	* init.c (build_new_1, build_vec_delete_1, build_delete):
	Use nullptr_node.

/testsuite
2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51045
	* g++.dg/warn/Wzero-as-null-pointer-constant-2.C: New.


2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>

	* doc/invoke.texi ([Option Summary, C++ Language Options]):
	Add -Wzero-as-null-pointer-constant.

From-SVN: r181215

/cp
2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51045
	* init.c (build_new_1, build_vec_delete_1, build_delete):
	Use nullptr_node.

/testsuite
2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51045
	* g++.dg/warn/Wzero-as-null-pointer-constant-2.C: New.


2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>

	* doc/invoke.texi ([Option Summary, C++ Language Options]):
	Add -Wzero-as-null-pointer-constant.

From-SVN: r181214

/cp
2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51047
	* search.c (lookup_member): Change to take also a tsubst_flags_t
	parameter.
	(lookup_field, lookup_fnfields): Adjust calls.
	* typeck.c (lookup_destructor, finish_class_member_access_expr,
	build_ptrmemfunc_access_expr): Likewise.
	* class.c (handle_using_decl, maybe_note_name_used_in_class):
	Likewise.
	* pt.c (resolve_typename_type): Likewise.
	* semantics.c (lambda_function): Likewise.
	* parser.c (cp_parser_perform_range_for_lookup,
	cp_parser_lookup_name): Likewise.
	* friend.c (make_friend_class): Likewise.
	* name-lookup.c (pushdecl_maybe_friend_1, get_class_binding,
	do_class_using_decl, lookup_qualified_name): Likewise.
	* cp-tree.h (lookup_member): Adjust declaration.

/testsuite
2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51047
	* g++.dg/cpp0x/sfinae29.C: New.

From-SVN: r181213

2011-11-09  Tobias Burnus  <burnus@net-b.de>

        * configure.ac: Make more cross-compile friendly.
        * Makefile.in: Regenerate.
        * aclocal.m4: Regenerate.
        * config.h.in: Regenerate.
        * configure: Regenerate.

From-SVN: r181212

	* config/sparc/sparc.c (output_v8plus_shift): Take INSN parameter first
	and adjust head comment.
	(output_v8plus_mult): Change NAME into OPCODE and adjust throughout.
	(vector_init_bshuffle): Add head comment.
	(vector_init_move_words): Likewise.
	(vector_init_prepare_elts): Likewise.  Take LOCS parameter first.
	(sparc_expand_vector_init): Likewise.  Adjust call to above function.
	(sparc_expand_vector_init_vis2): Likewise.
	(sparc_expand_vector_init_vis1): Likewise.
	(sparc_expand_conditional_move): Likewise.
	(sparc_expand_vcond): Likewise.
	* config/sparc/sparc-protos.h (output_v8plus_shift): Adjust.
	* config/sparc/sparc.md (ashldi3_v8plus): Adjust call to
	output_v8plus_shift.
	(ashrdi3_v8plus): Likewise.
	(lshrdi3_v8plus): Likewise.

From-SVN: r181211

	* config/arm/arm-cores.def: Add -mcpu=cortex-a7.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/arm-tune.md: Likewise.
	* config/arm/bpabi.h (BE8_LINK_SPEC): Add Cortex A-7.
	* doc/invoke.texi: Document -mcpu=cortex-a7.

From-SVN: r181210

2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/46686
	* configure.ac: Don't check execinfo.h, backtrace,
	backtrace_symbols_fd. Check execve instead of execvp. Call
	GCC_CHECK_UNWIND_GETIPINFO.
	* runtime/backtrace.c: Don't include unused headers, include
	limits.h and unwind.h.
	(CAN_FORK): Check execve instead of execvp.
	(GLIBC_BACKTRACE): Remove.
	(bt_header): Conform to gdb backtrace format.
	(struct bt_state): New struct.
	(trace_function): New function.
	(show_backtrace): Use _Unwind_Backtrace from libgcc instead of
	glibc backtrace functions.
	* Makefile.in: Regenerated.
	* aclocal.m4: Regenerated.
	* config.h.in: Regenerated.
	* configure: Regenerated.

From-SVN: r181209

2011-11-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/50960
	* gfortran.dg/typebound_call_22.f03: New test case.

From-SVN: r181208

frontend ChangeLog:

2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/50016
	* gfortran.texi (Data consistency and durability): New section.


testsuite ChangeLog:

2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/50016
	* gfortran.dg/inquire_size.f90: Don't flush the unit.

libgfortran ChangeLog:

2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/50016
	* io/inquire.c (inquire_via_unit): Flush the unit and use ssize.
	* io/unix.c (buf_flush): Don't call _commit.

From-SVN: r181207

revert: tree-cfg.c (verify_gimple_call): Verify that gimple_call_cannot_inline_p is returning a conservative correct...

2011-11-09  Richard Guenther  <rguenther@suse.de>

	Revert
	2011-11-09  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_gimple_call): Verify that
	gimple_call_cannot_inline_p is returning a conservative
	correct result according to gimple_check_call_matching_types.

From-SVN: r181206

re PR tree-optimization/51039 (ICE: in estimate_function_body_sizes, at ipa-inline-analysis.c:1977 with -finline-small-functions -fno-ipa-pure-const and passing incompatible function ptr)

2011-11-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51039
	* tree-cfg.c (verify_gimple_call): Verify that
	gimple_call_cannot_inline_p is returning a conservative
	correct result according to gimple_check_call_matching_types.
	* ipa-inline-analysis.c (estimate_function_body_sizes): Remove
	code dealing with un-inlinablility.
	* gimple-streamer-in.c (input_gimple_stmt): Update the
	non-inlinable flag.

	* gcc.dg/pr51039.c: New testcase.

From-SVN: r181205

re PR tree-optimization/51039 (ICE: in estimate_function_body_sizes, at ipa-inline-analysis.c:1977 with -finline-small-functions -fno-ipa-pure-const and passing incompatible function ptr)

2011-11-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51039
	* gimple-low.c (gimple_check_call_args): Remove.
	(gimple_check_call_matching_types): Always return true.
	* tree-inline.c (setup_one_parameter): Always perform a
	valid gimple type change.
	(declare_return_variable): Likewise.

From-SVN: r181204

	* config.host (i[34567]86-*-cygwin*): Move i386/t-mingw-pthread ...
	(i[34567]86-*-mingw*): ... here.
	(x86_64-*-mingw*): ... here.

From-SVN: r181203

	* config/rs6000/vector.md (vcondv4sfv4si, vcondv4siv4sf,
	vconduv4sfv4si): New patterns.
	* config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Handle
	different dest_mode from comparison mode.

	* lib/target-supports.exp (check_effective_target_vect_cond_mixed):
	Enable also for powerpc*-*-*.

From-SVN: r181202

	PR fortran/50540
	* resolve.c (resolve_forall_iterators): Transform internal errors
	to normal errors.
	* gfortran.dg/forall_16.f90: New test.

From-SVN: r181200

2011-11-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/50960
	* class.c (gfc_find_derived_vtab): Make the vtab symbols FL_PARAMETER.
	* expr.c (gfc_simplify_expr): Prevent vtabs from being replaced with
	their value.
	* resolve.c (resolve_values): Use-associated symbols do not need to
	be resolved again.
	(resolve_fl_parameter): Make sure the symbol has a value.

From-SVN: r181199

re PR fortran/38718 (some simplifiers for elemental intrinsics missing; required for init expressions)

	PR fortran/38718

	* intrinsic.c (add_functions): Add gfc_simplify_dreal.
	* intrinsic.h (gfc_simplify_dreal): New proto.
	* simplify.c (gfc_simplify_dreal): New function.

	* gfortran.dg/initialization_29.f90: Expand test.

From-SVN: r181198

2011-11-09  Richard Guenther  <rguenther@suse.de>

	* gimple-fold.c (canonicalize_constructor_val): Mark
	address-taken variables addressable.

From-SVN: r181197

	* include/profile/unordered_map: Add missing copy constructors.
	* include/profile/unordered_set: Likewise.

From-SVN: r181196

gcc/cp/

	* parser.c (cp_parser_alias_declaration): Require ';' at the end
	of the declaration.

libstdc++-v3/

	* include/ext/pointer.h (rebind): Append missing ';'.

gcc/testsuite

	* g++.dg/cpp0x/alias-decl-12.C: New test.
	* g++.dg/ext/alias-decl-attr4.C: Append missing ';'.

From-SVN: r181195

From-SVN: r181194

gcc/cp/

	* decl2.c (check_member_template): Accept alias templates and ...
	* parser.c (cp_parser_alias_declaration): ... use it here.

gcc/testsuite/

	* g++.dg/cpp0x/alias-decl-debug-0.C: New test.

From-SVN: r181193

	PR fortran/21881
	* trans-types.c (gfc_get_dtype): Issue a fatal error instead of
	an internal error.

From-SVN: r181192

        PR tree-optimization/51015
        * tree-vect-loop.c (vect_determine_vectorization_factor): Expect
        vectype to be set for pattern def stmts.

From-SVN: r181191

	* lib/target-supports.exp (check_effective_target_sparc_vis): New.
	(check_effective_target_vect_cmdline_needed): Use it when sparc*-*-*

From-SVN: r181190

	* include/bits/stl_vector.h (vector::_Alloc_traits): Make private.
	* include/debug/vector: Add allocator-extended constructors, ensure
	move assignment and swap have same allocator propagation semantics
	and exceptions specification as base class.
	* include/profile/vector: Likewise.
	(vector::push_back(_Tp&&)): Forward argument as rvalue.
	* testsuite/23_containers/vector/debug/alloc_prop.cc: New.
	* doc/xml/manual/status_cxx2011.xml: Clarify status of container
	requirements with respect to allocators.
	(status.iso.200x): Add anchor for old ID to preserve existing links.

From-SVN: r181189

	* function.c (bb_active_p): Delete.
	(dup_block_and_redirect, active_insn_between): New functions.
	(convert_jumps_to_returns, emit_return_for_exit): New functions,
	split out from..
	(thread_prologue_and_epilogue_insns): ..here.  Delete
	shadowing variables.  Don't do prologue register clobber tests
	when shrink wrapping already failed.  Delete all last_bb_active
	code.  Instead compute tail block candidates for duplicating
	exit path.  Remove these from antic set.  Duplicate tails when
	reached from both blocks needing a prologue/epilogue and
	blocks not needing such.
	* ifcvt.c (dead_or_predicable): Test both flag_shrink_wrap and
	HAVE_simple_return.
	* bb-reorder.c (get_uncond_jump_length): Make global.
	* bb-reorder.h (get_uncond_jump_length): Declare.
	* cfgrtl.c (rtl_create_basic_block): Comment typo fix.
	(rtl_split_edge): Likewise.  Warning fix.
	(rtl_duplicate_bb): New function.
	(rtl_cfg_hooks): Enable can_duplicate_block_p and duplicate_block.
	* Makefile.in (function.o): Update dependencies.

From-SVN: r181188

From-SVN: r181187

	PR fortran/50404
	* io.c (gfc_resolve_close): CLOSE requires a UNIT.
	* gfortran.dg/io_constraints_3.f90: Improve testcase.

From-SVN: r181183

local.cc:113:6: error: only weak aliases are supported in this configuration

	* local.cc (_ITM_LB): Use a normal call, not a function alias.

From-SVN: r181182

	PR fortran/50409
	* expr.c (gfc_simplify_expr): Substrings can't have negative
	length.
	* gcc/testsuite/gfortran.dg/string_5.f90: Improve testcase.

From-SVN: r181181

	PR libfortran/47972
	* runtime/error.c (gf_strerror): Silence warning.

From-SVN: r181180

From-SVN: r181179

	* doc/tm.texi.in (MODE_CODE_BASE_REG_CLASS): Add address space
	argument.
	(REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
	* doc/tm.texi: Regenerate.

	* config/cris/cris.h (MODE_CODE_BASE_REG_CLASS): Add address
	space argument.
	(REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
	* config/bfin/bfin.h (MODE_CODE_BASE_REG_CLASS): Likewise.
	(REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
	* config/avr/avr.h (MODE_CODE_BASE_REG_CLASS): Add address space
	argument.
	(REGNO_MODE_CODE_OK_FOR_BASE_P): Ditto.
	* config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
	(avr_regno_mode_code_ok_for_base_p): Ditto.
	* config/avr/avr.c (avr_mode_code_base_reg_class): Ditto.
	(avr_regno_mode_code_ok_for_base_p): Ditto.
	(avr_reg_ok_for_addr_p): Pass AS down to
	avr_regno_mode_code_ok_for_base_p.

	* addresses.h (base_reg_class): Add address space argument.
	Pass to MODE_CODE_BASE_REG_CLASS.
	(ok_for_base_p_1): Add address space argument.  Pass to
	REGNO_MODE_CODE_OK_FOR_BASE_P.
	(regno_ok_for_base_p): Add address space argument.  Pass to
	ok_for_base_p_1.

	* regrename.c (scan_rtx_address): Add address space argument.
	Pass address space to regno_ok_for_base_p and base_reg_class.
	Update recursive calls.
	(scan_rtx): Pass address space to scan_rtx_address.
	(build_def_use): Likewise.
	* regcprop.c (replace_oldest_value_addr): Add address space
	argument.  Pass to regno_ok_for_base_p and base_reg_class.
	Update recursive calls.
	(replace_oldest_value_mem): Pass address space to
	replace_oldest_value_addr.
	(copyprop_hardreg_forward_1): Likewise.

	* reload.c (find_reloads_address_1): Add address space argument.
	Pass address space to base_reg_class and regno_ok_for_base_p.
	Update recursive calls.
	(find_reloads_address): Pass address space to base_reg_class,
	regno_ok_for_base_p, and find_reloads_address_1.
	(find_reloads): Pass address space to base_reg_class.
	(find_reloads_subreg_address): Likewise.

	* ira-costs.c (record_reg_classes): Update calls to base_reg_class.
	(ok_for_base_p_nonstrict): Add address space argument.  Pass to
	ok_for_base_p_1.
	(record_address_regs): Add address space argument.  Pass to
	base_reg_class and ok_for_base_p_nonstrict.  Update recursive calls.
	(record_operand_costs): Pass address space to record_address_regs.
	(scan_one_insn): Likewise.

	* caller-save.c (init_caller_save): Update call to base_reg_class.
	* ira-conflicts.c (ira_build_conflicts): Likewise.
	* reload1.c (maybe_fix_stack_asms): Likewise.

Co-Authored-By: Georg-Johann Lay <avr@gjlay.de>

From-SVN: r181175

	PR c++/50835
	* typeck.c (build_x_conditional_expr): Preserve lvalue/xvalueness.
	* tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Return clk_ordinary
	in C++98.

From-SVN: r181174

	* config/c6x/t-elf (LIB2ADD): Add instead of assigning.

From-SVN: r181173

	* gengtype.c (write_field_root): Avoid out-of-scope access of newv.

	* tree-stdarg.c (execute_optimize_stdarg): Accept clobbers.

	* tree.h (TREE_CLOBBER_P): New macro.
	* gimple.h (gimple_clobber_p): New inline function.
	* gimplify.c (gimplify_bind_expr): Add clobbers for all variables
	that go out of scope and live in memory.
	* tree-ssa-operands.c (get_expr_operands): Transfer volatility also
	for constructors.
	* cfgexpand.c (decl_to_stack_part): New static variable.
	(add_stack_var): Allocate it, and remember mapping.
	(fini_vars_expansion): Deallocate it.
	(stack_var_conflict_p): Add early outs.
	(visit_op, visit_conflict, add_scope_conflicts_1,
	add_scope_conflicts): New static functions.
	(expand_used_vars_for_block): Don't call add_stack_var_conflict, tidy.
	(expand_used_vars): Add scope conflicts.
	(expand_gimple_stmt_1): Expand clobbers to nothing.
	(expand_debug_expr): Ditto.

	* tree-pretty-print.c (dump_generic_node): Dump clobbers nicely.
	* tree-ssa-live.c (remove_unused_locals): Remove clobbers that
	refer to otherwise unused locals.
	* tree-sra.c (build_accesses_from_assign): Ignore clobbers.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Clobbers of
	SSA names aren't necessary.
	(propagate_necessity): Accept and ignore constructors on the rhs,
	tidy.
	* gimple.c (walk_gimple_op): Accept constructors like mem_rhs.
	* tree-ssa-structalias.c (find_func_aliases): Clobbers don't store
	any known value.
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Ditto, in particular they
	don't zero-initialize something.
	* tree-ssa-phiopt.c (cond_if_else_store_replacement_1): Ignore
	clobber RHS, we don't want PHI nodes with those.

testsuite/
	* gcc.dg/tree-ssa/20031015-1.c: Adjust.
	* g++.dg/tree-ssa/ehcleanup-1.C: Ditto.
	* g++.dg/eh/builtin1.C: Rewrite to not use local variables.
	* g++.dg/eh/builtin2.C: Ditto.
	* g++.dg/eh/builtin3.C: Ditto.

From-SVN: r181172

	* include/bits/shared_ptr_base.h (_Sp_counted_ptr): Make 'final'.
	(_Sp_counted_deleter): Make 'final'. Use allocator_traits.
	(_Sp_counted_ptr_inplace): Make 'final'. Use allocator_traits.
	Derive from _Sp_counted_ptr instead of _Sp_counted_deleter to use EBO
	for the allocator.
	(__shared_count, __shared_ptr): Use allocator_traits.
	* include/std/future (__future_base::_Result_alloc): Make 'final'. Use
	allocator traits.
	(__future_base::_Task_state): Make 'final'.
	(__future_base::_Deferred_state): Likewise.
	(__future_base::_Async_state): Likewise.
	* testsuite/20_util/shared_ptr/cons/alloc_min.cc: New.
	* testsuite/20_util/shared_ptr/creation/alloc_min.cc: New.
	* testsuite/20_util/shared_ptr/creation/private.cc: New.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust line numbers.
	* testsuite/30_threads/packaged_task/cons/alloc_min.cc: New.
	* testsuite/30_threads/promise/cons/alloc_min.cc: New.

From-SVN: r181171

i386.c (ix86_preferred_simd_mode): Even for TARGET_AVX if not TARGET_PREFER_AVX128 return 32-byte integer vectors.

	* config/i386/i386.c (ix86_preferred_simd_mode): Even for TARGET_AVX
	if not TARGET_PREFER_AVX128 return 32-byte integer vectors.

	* gcc.target/i386/avx-cvt-2.c: Adjust for 32-byte integer vectors
	being prefered even for -mavx.
	* gcc.target/i386/avx-cvt-3.c: New test.

From-SVN: r181170