1 files changed, 4 insertions, 0 deletions
diff --git a/src/sksl/ir/SkSLPrefixExpression.h b/src/sksl/ir/SkSLPrefixExpression.h
index d5d97b2517..366f714fa3 100644
--- a/src/sksl/ir/SkSLPrefixExpression.h
+++ b/src/sksl/ir/SkSLPrefixExpression.h
@@ -45,6 +45,10 @@ struct PrefixExpression : public Expression {
         return nullptr;
     }
 
+    std::unique_ptr<Expression> clone() const override {
+        return std::unique_ptr<Expression>(new PrefixExpression(fOperator, fOperand->clone()));
+    }
+
     String description() const override {
         return Compiler::OperatorName(fOperator) + fOperand->description();
     }