--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/JCTree.java	Mon Dec 03 12:35:27 2018 +0530
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/JCTree.java	Mon Dec 03 10:37:36 2018 +0100
@@ -3016,6 +3016,8 @@
     public static class LetExpr extends JCExpression {
         public List<JCStatement> defs;
         public JCExpression expr;
+        /**true if a expr should be run through Gen.genCond:*/
+        public boolean needsCond;
         protected LetExpr(List<JCStatement> defs, JCExpression expr) {
             this.defs = defs;
             this.expr = expr;