1 files changed, 6 insertions, 0 deletions
diff --git a/sources/scalac/ast/TreeCloner.java b/sources/scalac/ast/TreeCloner.java
index 7c77a45132..6b784d7d98 100644
--- a/sources/scalac/ast/TreeCloner.java
+++ b/sources/scalac/ast/TreeCloner.java
@@ -13,6 +13,7 @@ import java.util.Map;
 import scalac.Global;
 import scalac.symtab.Symbol;
 import scalac.symtab.Type;
+import scalac.symtab.SymbolSubstTypeMap;
 import scalac.util.Debug;
 
 /**
@@ -34,6 +35,11 @@ public class TreeCloner extends Transformer {
     // Public Constructors
 
     /** Initializes a new instance. */
+    public TreeCloner(Global global, SymbolSubstTypeMap types) {
+        this(global, types.getSymbols(), types);
+    }
+
+    /** Initializes a new instance. */
     public TreeCloner(Global global, Map symbols, Type.Map types) {
         super(global, global.make, new StrictTreeCopier(global.make));
         this.symbols = symbols;