1 files changed, 4 insertions, 0 deletions
diff --git a/src/sksl/SkSLContext.h b/src/sksl/SkSLContext.h
index ef2aef089e..58ce3a4b3a 100644
--- a/src/sksl/SkSLContext.h
+++ b/src/sksl/SkSLContext.h
@@ -379,6 +379,10 @@ private:
             return "<defined>";
         }
 
+        std::unique_ptr<Expression> clone() const override {
+            return std::unique_ptr<Expression>(new Defined(fType));
+        }
+
         typedef Expression INHERITED;
     };
 };