allow get_tarval_null for mode_b

[r15881]

diff --git a/ir/tv/tv.c b/ir/tv/tv.c
index f13d52c..eaa8886 100644 (file)
--- a/ir/tv/tv.c
+++ b/ir/tv/tv.c
@@ -524,13 +524,13 @@ tarval *get_tarval_null(ir_mode *mode) {
        case irms_control_flow:
        case irms_memory:
        case irms_auxiliary:
-       case irms_internal_boolean:
                assert(0);
                break;
 
        case irms_float_number:
                return new_tarval_from_double(0.0, mode);
 
+       case irms_internal_boolean:
        case irms_int_number:
                return new_tarval_from_long(0l,  mode);