2019-09-01 Paul Thomas <pault@gcc.gnu.org>
* array.c (spec_dimen_size): Check for the presence of
expressions for the bounds.
* decl.c (gfc_match_end): Add case COMP_SELECT_RANK.
* dump-parse-tree.c(show_symbol): Show the arrayspec of class
entities.
(show_code_node): Show the code for SELECT_RANK.
* expr.c (gfc_check_vardef_context): Omit the context of
variable definition for select rank associate names since the
ASSUMED RANK throws.
* gfortran.h : Add ST_SELECT_RANK and ST_RANK to enum
gfc_statement. Add select_rank_temporary to symbol attribute
structure. Add EXEC_SELECT_RANK to enum gfc_exec_op.
* match.c (match_exit_cycle): Add COMP_SELECT_RANK.
(copy_ts_from_selector_to_associate): Add as special case for
assumed rank class variables.
(select_intrinsic_set_tmp): Clean up the code by using symbols
for references to the temporary and the selector.
(select_type_set_tmp): Ditto.
(select_rank_set_tmp): New function.
(gfc_match_select_rank): New function.
(gfc_match_rank_is): New function.
* match.h : Add prototypes for gfc_match_select_rank and
gfc_match_rank_is.
* parse.c (decode_statement): Attempt to match select_rank and
rank statements.
(next_statement, gfc_ascii_statement): Add ST_SELECT_RANK.
(parse_select_rank_block): New function.
(parse_executable): Parse select rank block for ST_SELECT_RANK.
* parse.h : Add COMP_SELECT_RANK to enum gfc_compile_state.
* resolve.c (resolve_variable): Exclude select_rank_temporaries
from the check on use of ASSUMED RANK.
(gfc_resolve_expr): Make sure that unlimited polymorphic select
rank temporaries expressions are not resolved again after being
successfully resolved.
(resolve_assoc_var): Do not do the rank check for select rank
temporaries.
(resolve_select_rank): New function.
(gfc_resolve_blocks): Deal with case EXEC_SELECT_RANK.
(resolve_symbol): Exclude select rank temporaries for check on
use of ASSUMED RANK.
* st.c (gfc_free_statement): Include EXEC_SELECT_RANK.
* trans-array.c (gfc_conv_array_ref): Select rank temporaries
may have dimen == 0.
(gfc_conv_expr_descriptor): Zero the offset of select rank
temporaries.
* trans-stmt.c (copy_descriptor): New function.
(trans_associate_var): Add code to associate select rank temps.
(gfc_trans_select_rank_cases): New function.
(gfc_trans_select_rank): New function.
* trans-stmt.h : Add prototype for gfc_trans_select_rank.
trans.c (trans_code): Add select rank case.
2019-09-01 Paul Thomas <pault@gcc.gnu.org>
* gfortran.dg/select_rank_1.f90 : New test.
* gfortran.dg/select_rank_2.f90 : New test.
From-SVN: r275269
