gfc_conv_intrinsic_size (gfc_se * se, gfc_expr * expr)
{
gfc_actual_arglist *actual;
- tree args;
+ tree arg1;
tree type;
- tree fndecl;
+ tree fncall0;
+ tree fncall1;
gfc_se argse;
gfc_ss *ss;
gfc_conv_expr_descriptor (&argse, actual->expr, ss);
gfc_add_block_to_block (&se->pre, &argse.pre);
gfc_add_block_to_block (&se->post, &argse.post);
- args = gfc_chainon_list (NULL_TREE, argse.expr);
+ arg1 = gfc_evaluate_now (argse.expr, &se->pre);
+
+ /* Build the call to size0. */
+ fncall0 = build_call_expr (gfor_fndecl_size0, 1, arg1);
actual = actual->next;
+
if (actual->expr)
{
gfc_init_se (&argse, NULL);
- gfc_conv_expr_type (&argse, actual->expr, gfc_array_index_type);
+ gfc_conv_expr_type (&argse, actual->expr,
+ gfc_array_index_type);
gfc_add_block_to_block (&se->pre, &argse.pre);
- args = gfc_chainon_list (args, argse.expr);
- fndecl = gfor_fndecl_size1;
+
+ /* Build the call to size1. */
+ fncall1 = build_call_expr (gfor_fndecl_size1, 2,
+ arg1, argse.expr);
+
+ /* Unusually, for an intrinsic, size does not exclude
+ an optional arg2, so we must test for it. */
+ if (actual->expr->expr_type == EXPR_VARIABLE
+ && actual->expr->symtree->n.sym->attr.dummy
+ && actual->expr->symtree->n.sym->attr.optional)
+ {
+ tree tmp;
+ tmp = gfc_build_addr_expr (pvoid_type_node,
+ argse.expr);
+ tmp = build2 (NE_EXPR, boolean_type_node, tmp,
+ build_int_cst (pvoid_type_node, 0));
+ tmp = gfc_evaluate_now (tmp, &se->pre);
+ se->expr = build3 (COND_EXPR, pvoid_type_node,
+ tmp, fncall1, fncall0);
+ }
+ else
+ se->expr = fncall1;
}
else
- fndecl = gfor_fndecl_size0;
+ se->expr = fncall0;
- se->expr = build_function_call_expr (fndecl, args);
type = gfc_typenode_for_spec (&expr->ts);
se->expr = convert (type, se->expr);
}
--- /dev/null
+! { dg-do run }
+! PR 30865 - passing a subroutine optional argument to size(dim=...)
+! used to segfault.
+program main
+ implicit none
+ integer :: a(2,3)
+ integer :: ires
+
+ call checkv (ires, a)
+ if (ires /= 6) call abort
+ call checkv (ires, a, 1)
+ if (ires /= 2) call abort
+contains
+ subroutine checkv(ires,a1,opt1)
+ integer, intent(out) :: ires
+ integer :: a1(:,:)
+ integer, optional :: opt1
+
+ ires = size (a1, dim=opt1)
+ end subroutine checkv
+end program main