re PR middle-end/51212 (ICE: verify_flow_info failed: BB 3 can not throw but has an EH edge with -fgnu-tm -fnon-call-exceptions and transaction_callable)

        PR middle-end/51212
        * opts.c (finish_options): Sorry out when using transactional
        memory and non-call exceptions.
        * doc/invoke.texi (C Dialect Options): Document it.

From-SVN: r182877

        PR middle-end/51696
        * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
        correctly.

From-SVN: r182876

	
	PR fortran/50981
	* trans-array.h (gfc_walk_elemental_function_args): New argument.
	* trans-intrinsic.c (gfc_walk_intrinsic_function): Update call.
	* trans-stmt.c (gfc_trans_call): Ditto.
	* trans-array.c (gfc_walk_function_expr): Ditto.
	(gfc_walk_elemental_function_args): Get the dummy argument list
	if possible.  Check that the dummy and the actual argument are both
	optional, and set can_be_null_ref accordingly.

	* gfortran.dg/elemental_optional_args_2.f90: New test.

From-SVN: r182875

	PR fortran/50981
	* trans.h (struct gfc_ss_info): New field data::scalar::can_be_null_ref
	* trans-array.c: If the reference can be NULL, save the reference
	instead of the value.
	* trans-expr.c (gfc_conv_expr): If we have saved a reference,
	dereference it.

From-SVN: r182874

	* trans-expr.c (gfc_conv_expr): Move address taking...
	(gfc_conv_expr_reference): ... here.

From-SVN: r182873

2012-01-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51750
	* tree.c (size_low_cst): New function.
	* tree.h (size_low_cst): Declare.
	* fold-const.c (fold_comparison): Use it to extract the low
	part of the POINTER_PLUS_EXPR offset.

From-SVN: r182872

	Fix clearing ZERO_REG
	* config/avr/avr.md (cc): Add alternative "ldi".
	(movqi_insn): Use it in cc attribute.
	* config/avr/avr.c (notice_update_cc): Handle CC_LDI.
	(output_reload_in_const): Use CLR to move 0 to ZERO_REG.
	(output_reload_insisf): Use ZERO_REG to pre-clear register.

From-SVN: r182871

2012-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/49693
	* trans-common.c (create_common): Update copyright years.  Mark
	variables as used to avoid warnings about unused variables in
	common blocks.

2012-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/49693
	* gfortran.dg/common_17.f90:  New test.

From-SVN: r182869

config/
2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR bootstrap/51734
	* picflag.m4: Remove s390 case statement.

gcc/
2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* configure: Regenerate.

libada/
2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* configure: Regenerate.

libgcc/
2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* configure: Regenerate.
	* config/s390/t-crtstuff: Remove -fPIC.

libiberty/
2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* configure: Regenerate.

From-SVN: r182868

re PR tree-optimization/49651 (nested lambdas and -O3 produced incorrect integer variable increments)

2012-01-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49651
	* tree-ssa-structalias.c (type_can_have_subvars): New function.
	(var_can_have_subvars): Use it.
	(get_constraint_for_1): Only consider subfields if there
	can be any.

	* gcc.dg/tree-ssa/pta-ptrarith-1.c: Adjust.
	* gcc.dg/tree-ssa/pta-ptrarith-2.c: Likewise.

From-SVN: r182865

From-SVN: r182864

2012-01-02  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR bootstrap/51006
	* enable-execute-stack-mprotect.c (getpagesize): Do not define
	for NetBSD.

From-SVN: r182860

	PR bootstrap/51725
	* cselib.c (new_elt_loc_list): When moving locs from one
	cselib_val to its new canonical_cselib_val and the
	cselib_val was in first_containing_mem chain, but
	the canonical_cselib_val was not, add the latter into the
	chain.
	(cselib_invalidate_mem): Compare canonical_cselib_val of
	addr_list chain elt with v.

From-SVN: r182858

2012-01-03  François Dumont <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Ebo_helper<>): Rename to the more
	specific _Hashtable_ebo_helper. Hide this implementation detail thanks
	to private inheritance.

From-SVN: r182857

/gcc/cp
2012-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51738
	* parser.c (cp_parser_postfix_open_square_expression): Handle
	postfix-expression [ braced-init-list ].

/gcc/testsuite
2012-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51738
	* g++.dg/cpp0x/initlist-postfix-open-square.C: New.

/libstdc++-v3
2012-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51738
	* testsuite/23_containers/map/element_access/39901.cc: New.

From-SVN: r182856

2012-01-03  Andrew Pinski  <apinski@cavium.com>

	* lib/scanasm.exp (dg-function-on-line): Always use a special format
	for all mips targets.  Also allow an optional .cfi_startproc.

From-SVN: r182855

	* gfortran.dg/typebound_operator_8.f03: Use dg-add-options ieee.

From-SVN: r182854

/cp
2012-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/29273
	* rtti.c (build_dynamic_cast_1): In case of T a pointer type,
	call decay_conversion on v.

/testsuite
2012-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/29273
	* g++.dg/rtti/dyncast5.C: New.

From-SVN: r182851

From-SVN: r182849

re PR pch/51722 (Options "-g3" or "-ggdb3" or "-g3 -gdwarf-2" and other "-g..level3" - internal compiler error)

	PR pch/51722
	* dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
	dwarf2out_undef): Allocate e.info using ggc_strdup instead
	of xstrdup.
	(output_macinfo_op): Don't ggc_strdup fd->filename.
	(optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
	then ggc_strdup it.  Don't free inc->info or cur->info.
	(output_macinfo): Don't free ref->info or file->info.

From-SVN: r182845

        PR tree-optimization/51269
        * tree-vect-loop-manip.c (set_prologue_iterations): Make
        first_niters a pointer.
        (slpeel_tree_peel_loop_to_edge): Likewise.
        (vect_do_peeling_for_loop_bound): Update call to
        slpeel_tree_peel_loop_to_edge.
        (vect_gen_niters_for_prolog_loop): Don't compute
        wide_prolog_niters here.  Remove it from the parameters list.
        (vect_do_peeling_for_alignment): Update calls and compute
        wide_prolog_niters.

From-SVN: r182844

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51070
	* tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
	Properly handle calls.

	* gcc.dg/torture/pr51070-2.c: New testcase.

From-SVN: r182839

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51692
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
	the LHS of allocation stmts.

	* gcc.dg/torture/pr51692.c: New testcase.

From-SVN: r182838

gcc/
        * system.h: Prior to #define, #undef fopen and freopen unconditionally.

libcpp/
        * system.h: Likewise.

From-SVN: r182837

        * collect2.c (main): In AIX specific computations for vector
        insertions, use CONST_CAST2 to cast from char ** to const char **.

From-SVN: r182836

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR debug/51650
	* dwarf2out.c (dwarf2out_finish): Always create a DIE for
	the context of a limbo DIE when it does not already exist.

	* g++.dg/lto/pr51650-3_0.C: New testcase.

From-SVN: r182835

/cp
2012-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/15867
	* decl.c (duplicate_decls): With -Wredundant-decls don't warn for
	declaration followed by specialization.

/testsuite
2012-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/15867
	* g++.dg/warn/Wredundant-decls-spec.C: New.

From-SVN: r182833

re PR tree-optimization/51719 (ICE: verify_gimple failed: LHS in noreturn call with -fpartial-inlining -fprofile-use and exceptions)

	PR tree-optimization/51719
	* value-prof.c (gimple_ic): When indirect call isn't noreturn,
	but direct call is, clear direct call's lhs and don't add fallthrough
	edge from dcall_bb to join_bb and PHIs.

	* g++.dg/tree-prof/pr51719.C: New test.

From-SVN: r182832

2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
	the instructions emitted by the pattern.
	("*TDC_insn_<mode>"): Add comment.

From-SVN: r182831

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51730
	* fold-const.c (fold_comparison): Properly canonicalize
	tree offset and HOST_WIDE_INT bit position.

	* gcc.dg/fold-compare-6.c: New testcase.

From-SVN: r182830

	* config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
	operands for extzv pattern.

From-SVN: r182829

	PR c++/51669
	* semantics.c (finish_omp_clauses): Call fold_build_cleanup_point_expr
	on OMP_CLAUSE_{IF,FINAL,NUM_THREADS,SCHEDULE_CHUNK}_EXPR.

	* g++.dg/gomp/pr51669.C: New test.

From-SVN: r182828

	* gfortran.h (struct gfc_expr): Add missing "struct"
	qualifier for member base_expr.

From-SVN: r182826

From-SVN: r182825

From-SVN: r182821

	* make-relative-prefix.c (make_relative_prefix_1): Avoid
	stack overflow if PATH contains just a single entry and
	HOST_EXECUTABLE_SUFFIX needs to be used.

	PR driver/48306
	* make-relative-prefix.c: Include sys/stat.h.
	(make_relative_prefix_1): If access succeeds, check also stat
	if nstore is a regular file.

From-SVN: r182820

	PR bootstrap/51725
	* cselib.c (add_mem_for_addr): Call canonical_cselib_val
	on mem_elt first.

From-SVN: r182819

	DR 1359
	PR c++/51675
	* method.c (walk_field_subobs): Don't check for uninitialized
	fields in a union.
	(synthesized_method_walk): Check here.

From-SVN: r182810

	DR 325
	PR c++/51666
	* parser.c (cp_parser_cache_defarg): Split out...
	(cp_parser_parameter_declaration): ...from here.
	(cp_parser_save_nsdmi): Use it.
	(cp_parser_cache_group): Remove CPP_COMMA support.

From-SVN: r182809

gcc/cp/

	PR c++/51462
	* semantics.c (cx_check_missing_mem_inits): Don't assert in case
	of error.

gcc/testsuite/

	PR c++/51462
	* g++.dg/cpp0x/constexpr-99.C: New test.

From-SVN: r182806