src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/CodeGenerator.java

@@ -3281,11 +3281,11 @@
         body.accept(this);
         if(repeatLabel != continueLabel) {
             emitContinueLabel(continueLabel, liveLocalsOnContinue);
         }
 
-        if (loopNode.hasPerIterationScope() && lc.getParentBlock().needsScope()) {
+        if (loopNode.hasPerIterationScope() && lc.getCurrentBlock().needsScope()) {
             // ES6 for loops with LET init need a new scope for each iteration. We just create a shallow copy here.
             method.loadCompilerConstant(SCOPE);
             method.invoke(virtualCallNoLookup(ScriptObject.class, "copy", ScriptObject.class));
             method.storeCompilerConstant(SCOPE);
         }