1 files changed, 2 insertions, 0 deletions
diff --git a/src/sksl/ir/SkSLExpression.h b/src/sksl/ir/SkSLExpression.h
index c8ad1380e7..ddeed448a2 100644
--- a/src/sksl/ir/SkSLExpression.h
+++ b/src/sksl/ir/SkSLExpression.h
@@ -106,6 +106,8 @@ struct Expression : public IRNode {
         return fType.coercionCost(target);
     }
 
+    virtual std::unique_ptr<Expression> clone() const = 0;
+
     const Kind fKind;
     const Type& fType;