1 files changed, 5 insertions, 0 deletions

diff --git a/src/build.y b/src/build.y
index 4190dbc..0a9111c 100644
--- a/src/build.y
+++ b/src/build.y
@@ -295,6 +295,11 @@ expr: value
         } expr {
                 bld.xAst.addNode( @3, AstNode::typeOpPlusEq );
         }
+        | UNDEF OP_ADDSETR {
+                bld.xAst.addNode( @$, AstNode::typeVariableRef, $1 );
+        } expr {
+                bld.xAst.addNode( @3, AstNode::typeOpPlusEqRaw );
+        }
         | expr OP_CMPEQUAL expr
         {
                 bld.xAst.addNode( @$, AstNode::typeCmpEq );