[test] Fix a few flag configurations to make fuzzer happy.

test/mjsunit/lazy-inner-functions.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --min-preparse-length 1
+// Flags: --min-preparse-length=1
 
 (function TestLazyInnerFunctionCallsEval() {
   var i = (function eager_outer() {
     var a = 41; // Should be context-allocated
     function lazy_inner() {
       return eval("a");
     }
     return lazy_inner;
   })();
   assertEquals(41, i());
 })();