Enable aligned_memory_unittest.cc on iOS.

base/memory/aligned_memory_unittest.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/memory/aligned_memory.h"
 #include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #define EXPECT_ALIGNED(ptr, align) \
     EXPECT_EQ(0u, reinterpret_cast<uintptr_t>(ptr) & (align - 1))
 
@@ skipping 15 matching lines @@
   EXPECT_ALIGNED(raw8.void_data(), 8);
   EXPECT_ALIGNED(raw16.void_data(), 16);
   EXPECT_ALIGNED(raw256.void_data(), 256);
   EXPECT_ALIGNED(raw4096.void_data(), 4096);
 }
 
 TEST(AlignedMemoryTest, StackAlignment) {
   AlignedMemory<8, 8> raw8;
   AlignedMemory<8, 16> raw16;
   AlignedMemory<8, 256> raw256;
-  AlignedMemory<8, 4096> raw4096;
 
   EXPECT_EQ(8u, ALIGNOF(raw8));
   EXPECT_EQ(16u, ALIGNOF(raw16));
   EXPECT_EQ(256u, ALIGNOF(raw256));
-  EXPECT_EQ(4096u, ALIGNOF(raw4096));
 
   EXPECT_ALIGNED(raw8.void_data(), 8);
   EXPECT_ALIGNED(raw16.void_data(), 16);
   EXPECT_ALIGNED(raw256.void_data(), 256);
+
+  // TODO(ios): This test hits an armv7 bug in clang. crbug.com/138066
+#if !(defined(OS_IOS) && defined(ARCH_CPU_ARM_FAMILY))
+  AlignedMemory<8, 4096> raw4096;
+  EXPECT_EQ(4096u, ALIGNOF(raw4096));
   EXPECT_ALIGNED(raw4096.void_data(), 4096);
+#endif  // !(defined(OS_IOS) && defined(ARCH_CPU_ARM_FAMILY))
 }
 
 }  // namespace