Revert "Set parent_node and always copy datatype when assigned to code nodes."

This reverts commit a09c9e93af0d64b9331c274de573465fe070b722.

Fixes bug 709587.

1 files changed, 3 insertions, 7 deletions

diff --git a/vala/valainterface.vala b/vala/valainterface.vala
index cc7ce13aa..49bc0ae2c 100644
--- a/vala/valainterface.vala
+++ b/vala/valainterface.vala
@@ -95,9 +95,8 @@ public class Vala.Interface : ObjectTypeSymbol {
 	 * @param type an interface or class reference
 	 */
 	public void add_prerequisite (DataType type) {
-		var copy = type.copy ();
-		prerequisites.add (copy);
-		copy.parent_node = this;
+		prerequisites.add (type);
+		type.parent_node = this;
 	}
 
 	/**
@@ -107,9 +106,7 @@ public class Vala.Interface : ObjectTypeSymbol {
 	 * @param type an interface or class reference
 	 */
 	public void prepend_prerequisite (DataType type) {
-		var copy = type.copy ();
-		prerequisites.insert (0, copy);
-		copy.parent_node = this;
+		prerequisites.insert (0, type);
 	}
 
 	/**
@@ -352,7 +349,6 @@ public class Vala.Interface : ObjectTypeSymbol {
 		for (int i = 0; i < prerequisites.size; i++) {
 			if (prerequisites[i] == old_type) {
 				prerequisites[i] = new_type;
-				new_type.parent_node = this;
 				return;
 			}
 		}