diff options
Diffstat (limited to 'gcc/fortran/trans-expr.c')
| -rw-r--r-- | gcc/fortran/trans-expr.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c index 34e0f699cd2..17964bb2c64 100644 --- a/gcc/fortran/trans-expr.c +++ b/gcc/fortran/trans-expr.c @@ -3620,10 +3620,15 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym, parmse.string_length = build_int_cst (gfc_charlen_type_node, 0); } } - else if (arg->expr->expr_type == EXPR_NULL && fsym && !fsym->attr.pointer) + else if (arg->expr->expr_type == EXPR_NULL + && fsym && !fsym->attr.pointer + && (fsym->ts.type != BT_CLASS + || !CLASS_DATA (fsym)->attr.class_pointer)) { /* Pass a NULL pointer to denote an absent arg. */ - gcc_assert (fsym->attr.optional && !fsym->attr.allocatable); + gcc_assert (fsym->attr.optional && !fsym->attr.allocatable + && (fsym->ts.type != BT_CLASS + || !CLASS_DATA (fsym)->attr.allocatable)); gfc_init_se (&parmse, NULL); parmse.expr = null_pointer_node; if (arg->missing_arg_type == BT_CHARACTER) |