Fix crash when using type names as conditions

diff --git a/vala/valaifstatement.vala b/vala/valaifstatement.vala
index b7c5fa10686e22d6e0728db501a296270de9462d..0804bb466339f2804a240bac296e8ed582d12f94 100644 (file)
--- a/vala/valaifstatement.vala
+++ b/vala/valaifstatement.vala
@@ -124,7 +124,7 @@ public class Vala.IfStatement : CodeNode, Statement {
                        return false;
                }
 
-               if (!condition.value_type.compatible (analyzer.bool_type)) {
+               if (condition.value_type == null || !condition.value_type.compatible (analyzer.bool_type)) {
                        error = true;
                        Report.error (condition.source_reference, "Condition must be boolean");
                        return false;