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2015-02-06 Paul Thomas <pault@gcc.gnu.org> PR fortran/63205 * gfortran.h: Add 'must finalize' field to gfc_expr and prototypes for gfc_is_alloc_class_scalar_function and for gfc_is_alloc_class_array_function. * expr.c (gfc_is_alloc_class_scalar_function, gfc_is_alloc_class_array_function): New functions. * trans-array.c (gfc_add_loop_ss_code): Do not move the expression for allocatable class scalar functions outside the loop. (conv_array_index_offset): Cope with deltas being NULL_TREE. (build_class_array_ref): Do not return with allocatable class array functions. Add code to pick out the returned class array. Dereference if necessary and return if not a class object. (gfc_conv_scalarized_array_ref): Cope with offsets being NULL. (gfc_walk_function_expr): Return an array ss for the result of an allocatable class array function. * trans-expr.c (gfc_conv_subref_array_arg): Remove the assert that the argument should be a variable. If an allocatable class array function, set the offset to zero and skip the write-out loop in this case. (gfc_conv_procedure_call): Add allocatable class array function to the assert. Call gfc_conv_subref_array_arg for allocatable class array function arguments with derived type formal arg.. Add the code for handling allocatable class functions, including finalization calls to prevent memory leaks. (arrayfunc_assign_needs_temporary): Return if an allocatable class array function. (gfc_trans_assignment_1): Set must_finalize to rhs expression for allocatable class functions. Set scalar_to_array as needed for scalar class allocatable functions assigned to an array. Nullify the allocatable components corresponding the the lhs derived type so that the finalization does not free them. 2015-02-06 Paul Thomas <pault@gcc.gnu.org> PR fortran/63205 * gfortran.dg/class_to_type_4.f90: New test From-SVN: r220482 |
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