Mark function info as compiled after EnsureDeoptimizationSupport.

test/mjsunit/regress/regress-crbug-504787.js

Index: test/mjsunit/regress/regress-crbug-504787.js
diff --git a/test/mjsunit/compiler/regress-451012.js b/test/mjsunit/regress/regress-crbug-504787.js
similarity index 66%
copy from test/mjsunit/compiler/regress-451012.js
copy to test/mjsunit/regress/regress-crbug-504787.js
index bffc8bc5bdfac32bb561a24153d00157b26ac3a5..66274bc6b9e314917b098349437c20cc1318888c 100644
--- a/test/mjsunit/compiler/regress-451012.js
+++ b/test/mjsunit/regress/regress-crbug-504787.js
@@ -2,11 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-"use strict";
+// Flags: --noturbo-osr
+
 function f() {
-  for (let v; v; ) {
-    let x;
+  "use asm";
+  function g() {
+    function f() {};
   }
+  return g;
 }
 
-f();
+f()();