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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169358 138bc75d-0d04-0410-961f-82ee72b054a4

	    Tobias Burnus  <burnus@gcc.gnu.org>

	PR fortran/45170
	PR fortran/35810
	PR fortran/47350
	* interface.c (compare_actual_formal): An allocatable or pointer
	deferred length actual is only allowed if the formal argument
	is also deferred length. Clean up whitespace.
	* trans-expr.c (gfc_conv_procedure_call): Pass string length for
	deferred character length formal arguments by reference. Do the
	same for function results.
	(gfc_trans_pointer_assignment): Do not do runtime check of lhs
	and rhs character lengths, if deferred length lhs.  In this case
	set the lhs character length to that of the rhs.
	(gfc_conv_string_parameter): Remove assert that string length is
	an integer type.
	(is_scalar_reallocatable_lhs): New function.
	(alloc_scalar_allocatable_for_assignment): New function.
	(gfc_trans_assignment_1): Call above new function. If the rhs is
	a deferred character length itself, makes ure that the function
	is called before reallocation, so that the length is available.
	(gfc_trans_asssignment): Remove error about assignment to
	deferred length character variables.
	* gfortran.texi : Update entry about (re)allocation on
	assignment.
	* trans-stmt.c (gfc_trans_allocate): Add code to handle deferred
	length character variables.
	* module.c (mio_typespec): Transfer deferred characteristic.
	* trans-types.c (gfc_get_function_type): New code to generate
	hidden typelist, so that those character lengths that are
	passed by reference get the right type.
	* resolve.c (resolve_contained_fntype): Supress error for
	deferred character length functions.
	(resolve_function, resolve_fl_procedure) The same.
	(check_symbols): Remove the error that support for
	entity with deferred type parameter is not yet implemented.
	(resolve_fl_derived): The same.
	match.c (alloc_opt_list): Allow MOLD for deferred length object.
	* trans-decl.c (gfc_get_symbol_decl): For deferred character
	length dummies, generate a local variable for string length.
	(create_function_arglist): Hidden length can be a pointer.
	(gfc_trans_deferred_vars): For deferred character length
	results and dummies, assign the string length to the local
	variable from the hidden argument on entry and the other way
	round on exit, as appropriate.

2011-01-28  Paul Thomas  <pault@gcc.gnu.org>
	    Tobias Burnus  <burnus@gcc.gnu.org>

	PR fortran/45170
	PR fortran/35810
	PR fortran/47350
	* gfortran.dg/realloc_on_assign_3.f03: New test.
	* gfortran.dg/realloc_on_assign_4.f03: New test.
	* gfortran.dg/realloc_on_assign_5.f90: New test.
	* gfortran.dg/allocatable_function_5.f90: New test.
	* gfortran.dg/allocate_deferred_char_scalar_1.f90: New test.
	* gfortran.dg/deferred_type_param_2.f90: Remove two "not yet
	implemented" dg-errors.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169356 138bc75d-0d04-0410-961f-82ee72b054a4

	-Bstatic/-Bdynamic.
	* configure: Regenerate.


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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169345 138bc75d-0d04-0410-961f-82ee72b054a4

Fixes Go issue 1448.


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        PR fortran/47474
        * trans-decl.c (gfc_generate_function_code): Fix init
        of allocatable result variable with allocatable components.



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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169338 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169337 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.


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	* config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
	* config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
	(s390_preferred_reload_class): Make static. Change return and
	'rclass' argument type to reg_class_t.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169333 138bc75d-0d04-0410-961f-82ee72b054a4

	* cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
	(process_function_and_variable_attributes): Check defined weakrefs.
	* gcc.dg/attr-weakref-4.c: New testcase


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169332 138bc75d-0d04-0410-961f-82ee72b054a4

	PR tree-optimization/47228
	* tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
	build_ref_for_offset.

	* testsuite/gcc.dg/torture/pr47228.c: New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169331 138bc75d-0d04-0410-961f-82ee72b054a4

	* gcc.dg/tree-ssa/pr42585.c: Disable on s390 and s390x.



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	when using auto-overlay support on the SPU.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169326 138bc75d-0d04-0410-961f-82ee72b054a4

	* gcc.target/i386/asm-6.c: New test.


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        PR fortran/47472
        * options.c (gfc_handle_module_path_options): Save
        module path without trailing slash as include path.



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	PR rtl-optimization/46856
	* postreload.c (reload_combine_recognize_const_pattern): Do not
	separate cc0 setter and user on cc0 targets.

	PR rtl-optimization/46856
	* gcc.c-torture/compile/pr46856.c: New test.




git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169321 138bc75d-0d04-0410-961f-82ee72b054a4

	PR libgfortran/47285
	* io/write_float.def (output_float): Return SUCCESS or FAILURE and use
	the result to set the padding.


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2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR c/43082
	* c-typeck.c (c_objc_common_truthvalue_conversion): If we are
	passed a VOID_TYPE expression, immediately emit an error and
	return error_mark_node.

In gcc/testsuite/:
2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
	    Andrew Pinski  <pinskia@gmail.com>

	PR c/43082
	* gcc.dg/pr43082.c: New.


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Copied from master library.


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	PR rtl-optimization/47464
	* df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
	rather than may_trap_p as needed.



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	* targext.c: Include target files if IN_RTS is defined.


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* combine.c (insn_a_feeds_b): Check for the implicit cc0
setter/user dependency as well.

* gcc.dg/pr46878-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169307 138bc75d-0d04-0410-961f-82ee72b054a4

	* semantics.c (potential_constant_expression_1): Handle
	TRUTH_XOR_EXPR.

	* g++.dg/cpp0x/pr47476.C: New test.


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