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

BUG=chromium:660457
TBR=mbarbella@chromium.org, yangguo@chromium.org

Review-Url: https://codereview.chromium.org/2464453002
Cr-Commit-Position: refs/heads/master@{#40657}

test/mjsunit/fixed-context-shapes-when-recompiling.js

@@ -2,7 +2,7 @@
 // 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 --allow-natives-syntax --lazy-inner-functions
+// Flags: --min-preparse-length=1 --allow-natives-syntax --lazy-inner-functions
 
 // Test that the information on which variables to allocate in context doesn't
 // change when recompiling.

test/mjsunit/lazy-inner-functions.js

@@ -2,7 +2,7 @@
 // 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() {

test/mjsunit/regress-3456.js

@@ -2,7 +2,7 @@
 // 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
 
 // Arrow function parsing (commit r22366) changed the flags stored in
 // PreParserExpression, and IsValidReferenceExpression() would return

test/mjsunit/regress-604044.js

@@ -2,6 +2,6 @@
 // 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(_ = function() {}){})