add 'LIBYUV_DISABLE_X86' to msan for unittests

libyuv_test.gyp

 # Copyright 2011 The LibYuv Project Authors. All rights reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS. All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'variables': {
     'libyuv_disable_jpeg%': 0,
   },
   'targets': [
     {
       'target_name': 'libyuv_unittest',
       'type': '<(gtest_target_type)',
       'dependencies': [
         'libyuv.gyp:libyuv',
         'testing/gtest.gyp:gtest',
         'third_party/gflags/gflags.gyp:gflags',
       ],
       'direct_dependent_settings': {
         'defines': [
           'GTEST_RELATIVE_PATH',
         ],
       },
       'export_dependent_settings': [
         '<(DEPTH)/testing/gtest.gyp:gtest',
       ],
-      'defines': [
-        # Enable the following 3 macros to turn off assembly for specified CPU.
-        # 'LIBYUV_DISABLE_X86',
-        # 'LIBYUV_DISABLE_NEON',
-        # 'LIBYUV_DISABLE_MIPS',
-        # Enable the following macro to build libyuv as a shared library (dll).
-        # 'LIBYUV_USING_SHARED_LIBRARY',
-      ],
       'sources': [
         # headers
         'unit_test/unit_test.h',
 
         # sources
         'unit_test/basictypes_test.cc',
         'unit_test/compare_test.cc',
         'unit_test/color_test.cc',
         'unit_test/convert_test.cc',
         'unit_test/cpu_test.cc',
@@ skipping 43 matching lines @@
         }],
         # TODO(YangZhang): These lines can be removed when high accuracy
         # YUV to RGB to Neon is ported.
         [ '(target_arch == "armv7" or target_arch == "armv7s" \
           or (target_arch == "arm" and arm_version >= 7) \
           or target_arch == "arm64") \
           and (arm_neon == 1 or arm_neon_optional == 1)', {
           'defines': [
             'LIBYUV_NEON'
           ],
-       }],
+        }],
+        # MemorySanitizer does not support assembly code yet.
+        # http://crbug.com/344505
+        [ 'msan == 1', {
+          'defines': [
+            'LIBYUV_DISABLE_X86',
+          ],
+        }],
       ], # conditions
+      'defines': [
+        # Enable the following 3 macros to turn off assembly for specified CPU.
+        # 'LIBYUV_DISABLE_X86',
+        # 'LIBYUV_DISABLE_NEON',
+        # 'LIBYUV_DISABLE_MIPS',
+        # Enable the following macro to build libyuv as a shared library (dll).
+        # 'LIBYUV_USING_SHARED_LIBRARY',
+      ],
     },
-
     {
       'target_name': 'compare',
       'type': 'executable',
       'dependencies': [
         'libyuv.gyp:libyuv',
       ],
       'sources': [
         # sources
         'util/compare.cc',
       ],
@@ skipping 97 matching lines @@
       ],
     }],
   ],
 }
 
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