Remove --harmony-modules flag and let embedder decide when modules are used

test/mjsunit/harmony/module-recompile.js

-// Copyright 2012 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Flags: --harmony-modules
-
-// Test that potential recompilation of the global scope does not screw up.
-
-"use strict";
-
-var N = 1e5;  // Number of loop iterations that trigger optimization.
-
-module A {
-  export var x = 1
-  export function f() { return x }
-}
-var f = A.f
-
-assertEquals(1, A.x)
-assertEquals(1, A.f())
-assertEquals(1, f())
-
-A.x = 2
-
-assertEquals(2, A.x)
-assertEquals(2, A.f())
-assertEquals(2, f())
-
-for (var i = 0; i < N; i++) {
-  if (i > N) print("impossible");
-}
-
-assertEquals(2, A.x)
-assertEquals(2, A.f())
-assertEquals(2, f())
-
-
-// Same test with loop inside a module.
-
-module B {
-  module A {
-    export var x = 1
-    export function f() { return x }
-  }
-  var f = A.f
-
-  assertEquals(1, A.x)
-  assertEquals(1, A.f())
-  assertEquals(1, f())
-
-  A.x = 2
-
-  assertEquals(2, A.x)
-  assertEquals(2, A.f())
-  assertEquals(2, f())
-
-  for (var i = 0; i < N; i++) {
-    if (i > N) print("impossible");
-  }
-
-  assertEquals(2, A.x)
-  assertEquals(2, A.f())
-  assertEquals(2, f())
-}