vala: Return copy of constant type in get_value_type_for_symbol()

diff --git a/vala/valasemanticanalyzer.vala b/vala/valasemanticanalyzer.vala
index 1404f13cd8d10c6732424336f686fc49de6d1c79..8242efd3593d932a58a450ffcf0cba3606df2985 100644 (file)
--- a/vala/valasemanticanalyzer.vala
+++ b/vala/valasemanticanalyzer.vala
@@ -278,7 +278,7 @@ public class Vala.SemanticAnalyzer : CodeVisitor {
                        return new EnumValueType ((Enum) sym.parent_symbol);
                } else if (sym is Constant) {
                        unowned Constant c = (Constant) sym;
-                       return c.type_reference;
+                       return c.type_reference.copy ();
                } else if (sym is Property) {
                        unowned Property prop = (Property) sym;
                        if (lvalue) {