vala: Return copy of constant type in get_value_type_for_symbol()

diff --git a/vala/valasemanticanalyzer.vala b/vala/valasemanticanalyzer.vala
index b25dac67e2fb0102c5cec9a7a991be84ba5518ab..841c136fca7d522733c1f389b0f43f517968f321 100644 (file)
--- a/vala/valasemanticanalyzer.vala
+++ b/vala/valasemanticanalyzer.vala
@@ -249,7 +249,7 @@ public class Vala.SemanticAnalyzer : CodeVisitor {
                        return new EnumValueType ((Enum) sym.parent_symbol);
                } else if (sym is Constant) {
                        var c = (Constant) sym;
-                       return c.type_reference;
+                       return c.type_reference.copy ();
                } else if (sym is Property) {
                        var prop = (Property) sym;
                        if (lvalue) {