Fix Regress2237 on gc stress builder.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17081002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15176 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/test-heap.cc

@@ -2382,6 +2382,7 @@ TEST(ReleaseOverReservedPages) {
 
 
 TEST(Regress2237) {
+  i::FLAG_stress_compaction = false;
   CcTest::InitializeVM();
   Isolate* isolate = Isolate::Current();
   Factory* factory = isolate->factory();