Fortran: Narrow return types [PR78798]

gcc/fortran/ChangeLog:

	PR fortran/78798
	* array.cc (compare_bounds): Use narrower return type.
	(gfc_compare_array_spec): Likewise.
	(is_constant_element): Likewise.
	(gfc_constant_ac): Likewise.
	* check.cc (dim_rank_check): Likewise.
	* cpp.cc (gfc_cpp_init_options): Likewise.
	(dump_macro): Likewise.
	* cpp.h (gfc_cpp_handle_option): Likewise.
	* dependency.cc (gfc_ref_needs_temporary_p): Likewise.
	(gfc_check_argument_dependency): Likewise.
	(gfc_check_fncall_dependency): Likewise.
	(ref_same_as_full_array): Likewise.
	* dependency.h (gfc_check_fncall_dependency): Likewise.
	(gfc_dep_resolver): Likewise.
	(gfc_are_equivalenced_arrays): Likewise.
	* expr.cc (gfc_copy_ref): Likewise.
	(gfc_kind_max): Likewise.
	(numeric_type): Likewise.
	* gfortran.h (gfc_at_end): Likewise.
	(gfc_at_eof): Likewise.
	(gfc_at_bol): Likewise.
	(gfc_at_eol): Likewise.
	(gfc_define_undef_line): Likewise.
	(gfc_wide_is_printable): Likewise.
	(gfc_wide_is_digit): Likewise.
	(gfc_wide_fits_in_byte): Likewise.
	(gfc_find_sym_tree): Likewise.
	(gfc_generic_intrinsic): Likewise.
	(gfc_specific_intrinsic): Likewise.
	(gfc_intrinsic_actual_ok): Likewise.
	(gfc_has_vector_index): Likewise.
	(gfc_numeric_ts): Likewise.
	(gfc_impure_variable): Likewise.
	(gfc_pure): Likewise.
	(gfc_implicit_pure): Likewise.
	(gfc_elemental): Likewise.
	(gfc_pure_function): Likewise.
	(gfc_implicit_pure_function): Likewise.
	(gfc_compare_array_spec): Likewise.
	(gfc_constant_ac): Likewise.
	(gfc_expanded_ac): Likewise.
	(gfc_check_digit): Likewise.
	* intrinsic.cc (gfc_find_subroutine): Likewise.
	(gfc_generic_intrinsic): Likewise.
	(gfc_specific_intrinsic): Likewise.
	* io.cc (compare_to_allowed_values): Likewise. And remove
	unneeded forward declaration.
	* parse.cc: Likewise.
	* parse.h (gfc_check_do_variable): Likewise.
	* primary.cc (gfc_check_digit): Likewise.
	* resolve.cc (resolve_structure_cons): Likewise.
	(pure_stmt_function): Likewise.
	(gfc_pure_function): Likewise.
	(impure_stmt_fcn): Likewise.
	(resolve_forall_iterators): Likewise.
	(resolve_data): Likewise.
	(gfc_impure_variable): Likewise.
	(gfc_pure): Likewise.
	(gfc_unset_implicit_pure): Likewise.
	* scanner.cc (wide_is_ascii): Likewise.
	(gfc_wide_toupper): Likewise.
	(gfc_open_included_file): Likewise.
	(gfc_at_end): Likewise.
	(gfc_at_eof): Likewise.
	(gfc_at_bol): Likewise.
	(skip_comment_line): Likewise.
	(gfc_gobble_whitespace): Likewise.
	* symbol.cc (gfc_find_symtree_in_proc): Likewise.
	* trans-array.cc: Likewise.
	* trans-decl.cc (gfc_set_decl_assembler_name): Likewise.
	* trans-types.cc (gfc_get_element_type): Likewise.
	(gfc_add_field_to_struct): Likewise.
	* trans-types.h (gfc_copy_dt_decls_ifequal): Likewise.
	(gfc_return_by_reference): Likewise.
	(gfc_is_nodesc_array): Likewise.
	* trans.h (gfc_can_put_var_on_stack): Likewise.

1 files changed, 1 insertions, 1 deletions

diff --git a/gcc/fortran/trans-array.cc b/gcc/fortran/trans-array.cc
index fe7b7ca..1b2f2d1 100644
--- a/gcc/fortran/trans-array.cc
+++ b/gcc/fortran/trans-array.cc
@@ -4982,7 +4982,7 @@ done:
 /* Return true if both symbols could refer to the same data object.  Does
    not take account of aliasing due to equivalence statements.  */
 
-static int
+static bool
 symbols_could_alias (gfc_symbol *lsym, gfc_symbol *rsym, bool lsym_pointer,
 		     bool lsym_target, bool rsym_pointer, bool rsym_target)
 {