1 files changed, 1 insertions, 0 deletions
diff --git a/deps/v8/test/debugger/debug/lazy-deopt-then-flush-bytecode.js b/deps/v8/test/debugger/debug/lazy-deopt-then-flush-bytecode.js
index bc4cd29cee..6820dc05de 100644
--- a/deps/v8/test/debugger/debug/lazy-deopt-then-flush-bytecode.js
+++ b/deps/v8/test/debugger/debug/lazy-deopt-then-flush-bytecode.js
@@ -15,6 +15,7 @@ function listener(event, exec_state, event_data, data) {
   if (event != Debug.DebugEvent.Break) return;
 
   // Optimize foo.
+  %PrepareFunctionForOptimization(foo);
   %OptimizeFunctionOnNextCall(foo);
   foo();
   assertOptimized(foo);