[mjsunit] Improve test performance

Bug: v8:7783
Change-Id: I69e3744a40eeebb5fb4592a4ae56efbb7cb762a8
Reviewed-on: https://chromium-review.googlesource.com/1069354
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53335}

test/mjsunit/compiler/alloc-number.js

 // Copyright 2010 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.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
+// Flags: --max-semi-space-size=1 --max-old-space-size=10
+
+// This test is specific to release builds. alloc-number-debug.js
+// has a fast version for debug builds.
 
 // Try to get a GC because of a heap number allocation while we
 // have live values (o) in a register.
 function f(o) {
   var x = 1.5;
   var y = 2.5;
-  for (var i = 1; i < 100000; i+=2) o.val = x + y + i;
+  for (var i = 1; i < 10000; i+=2) o.val = x + y + i;
   return o;
 }
 
 var o = { val: 0 };
-for (var i = 0; i < 100; i++) f(o);
+for (var i = 0; i < 10; i++) f(o);

test/mjsunit/mjsunit.status

@@ -790,7 +790,6 @@
 ##############################################################################
 ['variant == nooptimization and (arch == arm or arch == arm64) and simulator_run', {
   # Slow tests: https://crbug.com/v8/7783
-  'compiler/alloc-number': [SKIP],
   'compiler/osr-nested': [SKIP],
   'compiler/osr-one': [SKIP],
   'compiler/osr-two': [SKIP],