From Rainer Orth.

From-SVN: r183651

	PR go/47656
	* builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
	* builtins.c (expand_builtin_init_trampoline): Add onstack
	parameter.  Change caller.
	(expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
	* tree.c (build_common_builtin_nodes): Declare
	__builtin_init_heap_trampoline.

From-SVN: r183650

re PR testsuite/52011 (FAIL: gcc.dg/lto/trans-mem-* c_lto_trans-mem-*.o assemble, -flto -fgnu-tm in 32 bit mode)

       PR testsuite/52011
        * gcc.dg/lto/trans-mem.h: New file.
        * gcc.dg/lto/trans-mem-2_0.c: Include it.
        * gcc.dg/lto/trans-mem-1_1.c: Same.
        * gcc.dg/lto/trans-mem-4_1.c: Same.
        * gcc.dg/lto/trans-mem-3_1.c: Same.

From-SVN: r183648

	PR libstdc++/51798
	* config/cpu/generic/atomicity_builtins/atomicity.h
	(__exchange_and_add, __atomic_add): Use __atomic_fetch_add
	with __ATOMIC_ACQ_REL semantics instead of __sync_fetch_and_add.
	* include/ext/atomicity.h (__exchange_and_add, __atomic_add):
	Likewise.

From-SVN: r183644

2012-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52022
        * trans-expr.c (gfc_conv_procedure_call): Fix passing
        of functions, which return allocatables.

2012-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52022
        * gfortran.dg/dummy_procedure_7.f90: New.

From-SVN: r183643

* g++.dg/cpp0x/constexpr-rom.C: Don't add -G0 on *-*-darwin*
*-*-aix* alpha*-*-osf* alpha*-*-*vms*.

From-SVN: r183642

2011-01-27  Rafael Avila de Espindola  <rafael.espindola@gmail.com>

	* libsupc++/typeinfo: Correctly match #pragma GCC visibility
	pop with #pragma GCC visibility push.

From-SVN: r183641

	* config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
	tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
	* config/avr/avr.c: Ditto.
	(avr_regnames): Remove because unused.
	* config/avr/avr.md (*cpse.ne): New peephole.
	(*cpse.eq): New peephole from former cpse peepholes.

From-SVN: r183638

	PR c++/51852
	* pt.c (tsubst_pack_expansion): Delete and restore
	local_specialization whenever need_local_specialization, not just
	when saved_local_specializations is non-NULL.

	* g++.dg/other/gc5.C: New test.

From-SVN: r183637

	* config/microblaze.c (microblaze_emit_compare): Correct
	test after pcmp instruction.

From-SVN: r183635

gcc/po:
	* gcc.pot: Regenerate.

libcpp/po:
	* cpplib.pot: Regenerate.

From-SVN: r183634

2012-01-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52020
	* tree-sra.c (sra_modify_assign): Do not transform clobbers.

From-SVN: r183633

2012-01-27  Richard Guenther  <rguenther@suse.de>

	* ipa-pure-const.c (check_stmt): Clobbers do not make a
	function non-const/pure.

From-SVN: r183632

2012-01-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50444
	* tree-sra.c (build_ref_for_offset): Properly adjust the
	MEM_REF type for unaligned accesses.

	* gcc.dg/torture/pr50444.c: New testcase.

From-SVN: r183630

2012-01-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50444
	* expr.c (mem_ref_refers_to_non_mem_p): New function.
	(expand_assignment): Use it.  Properly handle misaligned
	bases when expanding stores to component references.
	(expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
	refactor that case.

From-SVN: r183629

	* doc/invoke.texi: Update copyright years.
	* tree-parloops.c: Likewise.
	* sel-sched-ir.h: Likewise.
	* tree-data-ref.h: Likewise.
	* tree-predcom.c: Likewise.
	* Makefile.in: Likewise.
	* params.def: Likewise.

From-SVN: r183627

2012-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52016
        * resolve.c (resolve_formal_arglist): Fix elemental
        constraint checks for polymorphic dummies also for
        pointers.

From-SVN: r183625

        PR middle-end/51389
        * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
        * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
        * tree-data-ref.c (find_data_references_in_loop): Make static.
        (compute_all_dependences): Change return type to bool.  Bail out
        for too many datarefs in a loop.  Move the hunk resetting the data
        dependences vector from ...
        (compute_data_dependences_for_loop): ... here.  Account for
        compute_all_dependences returning false.
        (compute_data_dependences_for_bb): Likewise.
        * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
        * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.

From-SVN: r183624

2012-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51970
        PR fortran/51977
        * primary.c (gfc_match_varspec. gfc_match_rvalue): Set
        handle array spec for BT_CLASS.
        * expr.c (gfc_get_variable_expr, gfc_lval_expr_from_sym)
        * frontend-passes.c (create_var): Ditto.
        * resolve.c (resolve_actual_arglist, resolve_assoc_var): Ditto.
        * trans-decl.c (gfc_trans_deferred_vars): Use class_pointer
        instead of attr.pointer.
        (gfc_generate_function_code): Use CLASS_DATA (sym) for BT_CLASS.
        * trans-intrinsic.c (conv_intrinsic_move_alloc): Move assert.
        * trans-stmt.c (trans_associate_var): Ask for the descriptor.

2012-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51970
        PR fortran/51977
        * gfortran.dg/move_alloc_13.f90: New.

From-SVN: r183622

2012-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51953
        * match.c (gfc_match_allocate): Allow more than allocate
        object with SOURCE=.

2012-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51953
        * gfortran.dg/allocate_alloc_opt_13.f90: New.
        * gfortran.dg/allocate_alloc_opt_4.f90: Add -std=f2003
        and change dg-error string.

From-SVN: r183621

2012-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52016
        * resolve.c (resolve_formal_arglist): Fix elemental
        constraint checks for polymorphic dummies.

2012-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52016
        * gfortran.dg/elemental_args_check_5.f90: New.

From-SVN: r183620

2012-01-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51959
	* expr.c (store_field): Use the alias-set of the scratch memory
	for storing to it.

	* g++.dg/torture/pr51959.C: New testcase.

From-SVN: r183616

2012-01-27  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/51990
	* gcc.dg/pr51990.c: New test.
	* gcc.dg/pr51990-2.c: Same.

From-SVN: r183615

2012-01-27  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/51990
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle WITH_SIZE_EXPR.
	* tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.

From-SVN: r183614

2012-01-27  Paul Thomas  <pault@gcc.gnu.org>
	    Tobias Burnus <burnus@gcc.gnu.org>

	PR fortran/48705
	PR fortran/51870
	PR fortran/51943
	PR fortran/51946
	* trans-array.c (gfc_array_init_size): Add two extra arguments
	to convey the dynamic element size of a calls object and to
	return the number of elements that have been allocated.
	(gfc_array_allocate): Add the same arguments and use them to
	call gfc_array_init_size.  Before the allocation dereference
	the data pointer, if necessary. Set the allocated array to zero
	if the class element size or expr3 are non-null.
	* trans-expr.c (gfc_conv_class_to_class): Give this function
	global scope.
	(get_class_array_ref): New function.
	(gfc_copy_class_to_class): New function.
	* trans-array.h : Update prototype for gfc_array_allocate.
	* trans-stmt.c (gfc_trans_allocate): For non-variable class
	STATUS expressions extract the class object and the dynamic
	element size. Use the latter to call gfc_array_allocate and
	the former for setting the vptr and, via
	gfc_copy_class_to_clasfc_cs, to copy to the allocated data.
	* trans.h : Prototypes for gfc_get_class_array_ref,
	gfc_copy_class_to_class and gfc_conv_class_to_class.
  

2012-01-27  Paul Thomas  <pault@gcc.gnu.org>
	    Tobias Burnus <burnus@gcc.gnu.org>

	PR fortran/48705
	* gfortran.dg/class_allocate_11.f03: New.

	PR fortran/51870
	PR fortran/51943
	PR fortran/51946
	* gfortran.dg/class_allocate_7.f03: New.
	* gfortran.dg/class_allocate_8.f03: New.
	* gfortran.dg/class_allocate_9.f03: New.
	* gfortran.dg/class_allocate_10.f03: New.


Co-Authored-By: Tobias Burnus <burnus@gcc.gnu.org>

From-SVN: r183613

decl.c (gnat_to_gnu_entity): Do not set an alignment on fields of the RETURN type built for the CICO mechanism.

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Procedure>: Do not set
	an alignment on fields of the RETURN type built for the CICO mechanism.

From-SVN: r183611

trans.c (gnat_to_gnu): Avoid making a SAVE_EXPR for a call to a function that returns an unconstrained...

	* gcc-interface/trans.c (gnat_to_gnu): Avoid making a SAVE_EXPR for
	a call to a function that returns an unconstrained type with default
	discriminant.  Similarly, avoid doing the conversion to the nominal

From-SVN: r183610

	* gcc-interface/ada-tree.h (DECL_ALIASED_P): New flag.
	* gcc-interface/decl.c (is_variable_size): Rename to...
	(type_has_variable_size): ...this.
	(adjust_packed): Adjust to above renaming.
	(gnat_to_gnu_field): Set DECL_ALIASED_P on the field.
	(field_is_artificial): New predicate.
	(field_is_aliased): Likewise.
	(field_has_self_size): Likewise.
	(field_has_variable_size): Likewise.
	(components_to_record): Record information for the final layout during
	the first pass on fields.
	If there is an aliased field placed after a field whose length depends
	on discriminants, put all the fields of the latter sort, last.

From-SVN: r183609

	PR debug/52001
	* var-tracking.c (reverse_op): Don't add any reverse operation
	if V already has any constant locations.

From-SVN: r183608

	* gcc-interface/gigi.h (get_minimal_subprog_decl): Declare.
	* gcc-interface/decl.c (get_minimal_subprog_decl): New function.
	* gcc-interface/trans.c (Attribute_to_gnu): Use it for the prefix of an
	Access-like attribute in a dispatch table if the subprogram is public.

From-SVN: r183607

	* gcc-interface/gigi.h (create_label_decl): Adjust.
	* gcc-interface/utils.c (create_label_decl): Add GNAT_NODE parameter
	and invoke gnat_pushdecl on it.  Remove obsolete settings.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Label>: Adjust call to
	create_label_decl.
	* gcc-interface/trans.c (gnat_to_gnu) <N_Null): Likewise.  Ignore the
	label for debugging purposes.

From-SVN: r183606

	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: For an aliased
	object with an unconstrained nominal subtype and if optimization isn't
	enabled, create a special VAR_DECL for debugging purposes.

From-SVN: r183605

	* gnat.dg/stack_usage1.adb: New test.
	* gnat.dg/stack_usage1_pkg.ad[sb]: New helper.

	* gcc.dg/pr44194-1.c: Remove superfluous include directive.
	* gcc.dg/pr44194-2.c: Likewise.

From-SVN: r183604

2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/invoke.texi: Correct usage of "command line" (noun)
	vs "command-line" (adjective) throughout.

From-SVN: r183603

2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/invoke.texi (Language Independent Options): Move
	-Wcoverage-mismatch blurb from here....
	(Warning Options): ...to here.

From-SVN: r183602

	* config/rs6000/rs6000.c (rs6000_option_override_internal):
	Set rs6000_always_hint to false for 476.

From-SVN: r183601

2012-01-27  Benjamin Kosnik  <bkoz@redhat.com>
	    Matthias Klose  <doko@ubuntu.com>

	* configure.ac (GLIBCXX_ENABLE_DEBUG_FLAGS): Use -gdwarf-4 -g3 -O0.
	* configure.in: Regenerated.
	* src/Makefile.am (all-once, install-data-once): New rules.
	(all-local, install-data-local): Use them.
	(build-debug, install-debug): Tweak.
	* src/Makefile.in: Regenerate.

Co-Authored-By: Matthias Klose <doko@ubuntu.com>

From-SVN: r183599

From-SVN: r183598

/cp
2012-01-26  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51370
	* error.c (dump_decl, [TEMPLATE_ID_EXPR]): Handle error_mark_node
	as TREE_OPERAND (t, 1).

/testsuite
2012-01-26  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51370
	* g++.dg/template/crash112.C: New.

From-SVN: r183593

2012-01-27  Matthias Klose  <doko@ubuntu.com>

        * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
          system root.
        * incpath.c (add_standard_paths): Likewise.

From-SVN: r183591