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2020-03-27  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93363
	* resolve.c (resolve_assoc_var): Reject association to DT and
	function name.

2020-03-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/93484
	* match.c (gfc_match_type_spec): Replace gfc_match_init_expr with
	gfc_match_expr. Return m if m is MATCH_NO or MATCH_ERROR.

2020-03-23  Mark Eggleston  <mark.eggleston@codethink.com>
	Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/93600
	* expr.c (simplify_parameter_variable): Check whether the ref
	chain contains INQUIRY_LEN or INQUIRY_KIND and set inquiry
	boolean. When an empty array has been identified and a new
	new EXPR_ARRAY expression has been created only return that
	expression if inquiry is not set. This allows the new
	expression to drop through to be simplified into a
	EXPR_CONSTANT representing %kind or %len.
	* matc.c (gfc_match_assignment): If lvalue doesn't have a
	symtree free both lvalue and rvalue expressions and return
	an error.
	* resolv.c (gfc_resolve_ref): Ensure that code to handle
	INQUIRY_LEN is only performed for arrays with deferred types.

2020-03-18  Jakub Jelinek  <jakub@redhat.com>

	* class.c (generate_finalization_wrapper): Fix up duplicated word
	issue in a comment.
	* trans-types.c (gfc_get_nodesc_array_type): Likewise.

2020-03-17  Jakub Jelinek  <jakub@redhat.com>

	* array.c (gfc_check_iter_variable): Fix up duplicated word issue
	in a comment.
	* arith.c (gfc_arith_concat): Likewise.
	* resolve.c (gfc_resolve_ref): Likewise.
	* frontend-passes.c (matmul_lhs_realloc): Likewise.
	* module.c (gfc_match_submodule, load_needed): Likewise.
	* trans-expr.c (gfc_init_se): Likewise.

2020-03-15  Lewis Hyatt  <lhyatt@gmail.com>

	* lang.opt: Avoid redundancy in the help text.

2020-03-12  Tobias Burnus  <tobias@codesourcery.com>

	PR middle-end/94120
	* openmp.c (gfc_match_oacc_declare): Accept function-result
	variables; reject variables declared in a different scoping unit.

2020-03-08  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/93581
	* resolve.c (gfc_resolve_ref): Modify array refs to be elements
	if the ref chain ends in INQUIRY_LEN.
	* trans-array.c (gfc_get_dataptr_offset): Provide the offsets
	for INQUIRY_RE and INQUIRY_IM.

2020-03-05 Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/93792
	* decl.c (variable_decl): If param and initializer check
	for BOZ, if found,  output an error, set m to MATCH_ERROR
	and goto cleanup.

2020-03-02  Andrew Benson  <abensonca@gmail.com>

	PR fortran/93486
	* module.c: Increase size of variables used to read module names
	when loading interfaces from module files to permit cases where
	the name is the concatenation of a module and submodule name.
	* gfortran.dg/pr93486.f90: New test.

2020-03-01  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/92976
	* match.c (select_type_set_tmp): If the selector array spec has
	explicit bounds, make the temporary's bounds deferred.

2020-03-01  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/92959
	* trans-intrinsic.c (gfc_conv_associated): Eliminate
	'nonzero_charlen' and move the chunk to evaluate zero character
	length until after the argument evaluation so that the string
	length can be used.

2020-02-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/92785
	* trans-expr.c (gfc_conv_intrinsic_to_class): Renormalise non-
	variable expressions to be unity lbound based.

2020-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	* simplify.c (degrees_f): Remove unused code.

2020-02-25  Jakub Jelinek  <jakub@redhat.com>

	PR translation/93864
	* intrinsic.texi (CO_BROADCAST): Fix typo, paramter -> parameter.
	* trans-array.c (gfc_allocate_pdt_comp, gfc_deallocate_pdt_comp,
	gfc_check_pdt_dummy): Fix comment typo paramter -> parameter.

2020-02-24  Mark Eggleston  <mark.eggleston@codethink.com>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/93835
	* decl.c (gfc_match_data) : Check whether the data expression
	is a derived type and is a constructor. If a BOZ constant
	is encountered in the constructor output an error and return
	MATCH_ERROR.

2020-02-24  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/93604
	* decl.c (gfc_match_data) : Check whether the data expression
	is a derived type and is a constructor. If a BOZ constant
	is encountered in the constructor output an error and return
	MATCH_ERROR.

2020-02-24  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93552
	* match.c (match_exit_cycle): With OpenACC, check the kernels loop
	directive and tile clause as well.

2020-02-23  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/93889
	* interface.c (compare_parameter): Fix error message.

2020-02-23  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/93890
	* interface.c: Replace "can not" by "cannot" and remove trailing
	space.

2020-02-20  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93825
	* openmp.c (resolve_oacc_loop_blocks): Move call to
	resolve_oacc_nested_loops from here ...
	(resolve_oacc_loop): ... to here.

2020-02-18  Mark Eggleston  <markeggleston@gcc.gnu.org>

	PR fortran/93714
	* expr.c (gfc_check_pointer_assign): Move check for
	matching character length to after checking the lvalue
	attributes for target or pointer.

2020-02-18  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/93601
	* match.c (gfc_match_assignment) : Reject assignment if
	the lhs stype is BT_CLASS and the rhs type is BT_BOZ.

2020-02-18  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/93603
	* match.c (gfc_match_associate) : If target expression
	has the type BT_BOZ output an error and goto
	assocListError.

2020-02-18  Steven G. Kargl  <kargl@gcc.gnu.org>
	    Mark Eggleston  <markeggleston@gcc.gnu.org>

	PR fortran/93580
	* primary.c (gfc_match_varspec): If the symbol following %
	is re or im and the primary expression type is not BT_COMPLEX
	issue an error. If the symbol is len and the primary
	expression type is not BT_CHARACTER is an error.

2020-02-10  Andrew Benson  <abensonca@gmail.com>

	PR fortran/83113
	* array.c: Do not attempt to set the array spec for a submodule
	function symbol (as it has already been set in the corresponding
	module procedure interface).
	* symbol.c: Do not reject duplicate POINTER, ALLOCATABLE, or
	DIMENSION attributes in declarations of a submodule function.
	* gfortran.h: Add a macro that tests for a module procedure in a
	submodule.
	* gfortran.dg/pr83113.f90: New test.

2020-02-03  Julian Brown  <julian@codesourcery.com>
	    Tobias Burnus  <tobias@codesourcery.com>

	* cpp.c (cpp_define_builtins): Update _OPENACC define to 201711.
	* intrinsic.texi: Update mentions of OpenACC version to 2.6.
	* gfortran.texi: Likewise. Remove experimental disclamer for OpenACC.
	* invoke.texi: Remove experimental disclamer for OpenACC.

2020-02-03  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93541
	* intrinisic.texi (OpenMP Modules OMP_LIB and OMP_LIB_KINDS):
	Add undocumented parameters from omp_lib.f90.in.

2020-02-03  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93427
	* resolve.c (resolve_assoc_var): Remove too strict check.
	* gfortran.dg/associate_51.f90: Update test case.

2020-02-01  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/92305
	* trans-types.c (gfc_get_function_type): Also push boolean_type_node
	types for non-character scalar VALUE optional dummy arguments.
	* trans-decl.c (create_function_arglist): Skip those in
	hidden_typelist.  Formatting fix.

2020-01-31  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93462
	* frontend-passes.c (gfc_code_walker): For EXEC_OACC_ATOMIC, set
	in_omp_atomic to true prevent front-end optimization.

2020-01-30  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	PR fortran/87103
	* expr.c (gfc_check_conformance): Check vsnprintf for truncation.
	* iresolve.c (gfc_get_string): Likewise.
	* symbol.c (gfc_new_symbol): Remove check for maximum symbol
	name length.  Remove redundant 0 setting of new calloc()ed
	gfc_symbol.

2020-01-30  Paul Thomas  <pault@gcc.gnu.org>
	    Jakub Jelinek  <jakub@redhat.com>

	PR fortran/92123
	* trans-decl.c (gfc_get_symbol_decl): Call gfc_defer_symbol_init for
	CFI descs.
	(gfc_build_builtin_function_decls): Use ".w." instead of ".ww" or ".wR"
	for gfor_fndecl_{cfi_to_gfc,gfc_to_cfi}.
	(convert_CFI_desc): Handle references to CFI descriptors.

2020-01-29  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/93463
	* openmp.c (oacc_code_to_statement): Handle
	EXEC_OACC_{ROUTINE,UPDATE,WAIT,CACHE,{ENTER,EXIT}_DATA,DECLARE}.

2020-01-28  Andrew Benson  <abensonca@gmail.com>

	PR fortran/93461
	* trans.h: Increase GFC_MAX_MANGLED_SYMBOL_LEN to
	GFC_MAX_SYMBOL_LEN*3+5 to allow for inclusion of submodule name,
	plus the "." between module and submodule names.
	* gfortran.dg/pr93461.f90: New test.

2020-01-28  Andrew Benson  <abensonca@gmail.com>

	PR fortran/93473
	* parse.c: Increase length of char variables to allow them to hold
	a concatenated module + submodule name.
	* gfortran.dg/pr93473.f90: New test.

2020-01-28  Julian Brown  <julian@codesourcery.com>

	PR fortran/93025
	* openmp.c (resolve_omp_clauses): Check array references for contiguity.

2020-01-28  Julian Brown  <julian@codesourcery.com>

	* gfortran.h (gfc_symbol): Add comp_mark bitfield.
	* openmp.c (resolve_omp_clauses): Disallow mixed component and
	full-derived-type accesses to the same variable within a single
	directive.

2020-01-28  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93464
	* openmp.c (gfc_omp_check_optional_argument): Avoid ICE when
	DECL_LANG_SPECIFIC and GFC_DESCRIPTOR_TYPE_P but not
	GFC_DECL_SAVED_DESCRIPTOR as for local allocatable character vars.

2020-01-28  Tobias Burnus  <tobias@codesourcery.com>

	* gfortran.texi (Runtime): Remove tailing '.' in @menu.

2020-01-27  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/85781
	* trans-expr.c (gfc_conv_substring): Handle non-ARRAY_TYPE strings
	of Bind(C) procedures.

2020-01-22  Jakub Jelinek  <jakub@redhat.com>

	* parse.c (parse_omp_structured_block): Handle ST_OMP_TARGET_PARALLEL.
	* trans-openmp.c (gfc_trans_omp_target)
	<case EXEC_OMP_TARGET_PARALLEL>: Call pushlevel first.

	PR fortran/93329
	* openmp.c (omp_code_to_statement): Handle remaining EXEC_OMP_*
	cases.

2020-01-21  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93309
	* interface.c (gfc_procedure_use): Also check parent namespace for
	'implict none (external)'.
	* symbol.c (gfc_get_namespace): Don't set has_implicit_none_export
	to parent namespace's setting.

2020-01-19  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/44960
	* primary.c (gfc_match_rvalue): Break after setting MATCH_ERROR.
	* resolve.c (resolve_function): Issue error when a
	function call contains a reference.

2020-01-17  Mark Eggleston  <mark.eggleston@codethink.com>

	PR fortran/93236
	* resolve.c (resolve_types): Declare boolean recursive and set with the
	value of the recursive attribute of namespace proc_name symbol
	structure if it exists.  Call gfc_save_all if both flag_automatic and
	recursive are false or ns->save_all is true.

2020-01-16  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93253
	* check.c (gfc_invalid_boz): Mention -fallow-invalid-boz
	in the error message.
	* gfortran.texi (BOZ literal constants): List another missing
	extension and refer to -fallow-invalid-boz.
	* lang.opt (fallow-invalid-boz): Also mention 'X' in the help text
	as it is not covered by the previous wording.
	* primary.c (match_boz_constant): Tweak wording such that it is
	clear how to fix the nonstandard use.

2020-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/65428
	* array.c (empty_constructor): New variable.
	(empty_ts): New variable.
	(expand_constructor): Save typespec in empty_ts.
	Unset empty_constructor if there is an element.
	(gfc_expand_constructor): Initialize empty_constructor
	and empty_ts.  If there was no explicit constructor
	type and the constructor is empty, take the type from
	empty_ts.

2020-01-09  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/84135
	* array.c (gfc_set_array_spec): Fix shifting of codimensions
	when adding a dimension.
	* decl.c (merge_array_spec): Ditto. Fix using correct codimensions.

2020-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/93162
	* trans-openmp.c (gfc_trans_omp_clauses): Check for REF_ARRAY type
	before testing u.ar.type == AR_FULL.

2020-01-04  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/91640
	* trans-expr.c (gfc_conv_procedure_call): Avoid copy-out for nonvariable
	arguments to contiguous dummy args.  Avoid re-checking whether fsym is
	NULL.

2020-01-03  Tobias Burnus  <tobias@codesourcery.com>

	* trans-openmp.c (gfc_omp_check_optional_argument): Always return a
	Boolean expression; handle unallocated/disassociated actual arguments
	as absent if passed to nonallocatable/nonpointer dummy array arguments.
	(gfc_build_cond_assign): Change to assume a Boolean expr not a pointer.
	(gfc_omp_finish_clause, gfc_trans_omp_clauses): Assign NULL to generated
	array-data variable if the argument is absent. Simplify code as
	'present' is now a Boolean expression.

2020-01-03  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/92994
	* primary.c (gfc_match_rvalue): Add some flavor checks
	gfc_matching_procptr_assignment.
	* resolve.c (resolve_assoc_var): Add more checks for invalid targets.

2020-01-02  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/68020
	* array.c (gfc_match_array_spec): Fix implied-type matching
	for rank > 2.

2020-01-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/93113
	* dependency.c (gfc_dep_resolver): Handle REF_INQUIRY in switch
	for ref types.

2020-01-01  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

	* gfortranspec.c (lang_specific_driver): Update copyright notice
	dates.
	* gfc-internals.texi: Bump @copying's copyright year.
	* gfortran.texi: Ditto.
	* intrinsic.texi: Ditto.
	* invoke.texi: Ditto.

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