sky/engine updates for iOS targets

sky/engine/wtf/PartitionAllocTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. 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
@@ skipping 1079 matching lines @@
     ptr = partitionAllocGeneric(genericAllocator.root(), size);
     EXPECT_TRUE(ptr);
     partitionFreeGeneric(genericAllocator.root(), ptr);
 
     EXPECT_TRUE(bucket->activePagesHead);
     EXPECT_TRUE(bucket->freePagesHead);
 
     TestShutdown();
 }
 
-#if !OS(ANDROID)
+#if !OS(ANDROID) && !OS(IOS)
 
 // Make sure that malloc(-1) dies.
 // In the past, we had an integer overflow that would alias malloc(-1) to
 // malloc(0), which is not good.
 TEST(PartitionAllocDeathTest, LargeAllocs)
 {
     TestSetup();
     // Largest alloc.
     EXPECT_DEATH(partitionAllocGeneric(genericAllocator.root(), static_cast<size_t>(-1)), "");
     // And the smallest allocation we expect to die.
@@ skipping 78 matching lines @@
     EXPECT_EQ(32u, WTF::countLeadingZerosSizet(0u));
     EXPECT_EQ(31u, WTF::countLeadingZerosSizet(1u));
     EXPECT_EQ(1u, WTF::countLeadingZerosSizet(1u << 30));
     EXPECT_EQ(0u, WTF::countLeadingZerosSizet(1u << 31));
 #endif
 }
 
 } // namespace
 
 #endif // !defined(MEMORY_TOOL_REPLACES_ALLOCATOR)