Add Link-Time Optimizations support for Android.

skia/skia_library_opts.gyp

 # Copyright 2013 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.
 
 
 # This gyp file contains the platform-specific optimizations for Skia
 {
   'targets': [
     # Due to an unfortunate intersection of lameness between gcc and gyp,
     # we have to build the *_SSE2.cpp files in a separate target.  The
@@ skipping 12 matching lines @@
     # build breakage, we do this on all platforms.
 
     # For about the same reason, we need to compile the ARM opts files
     # separately as well.
     {
       'target_name': 'skia_opts',
       'type': 'static_library',
       'includes': [
         'skia_common.gypi',
         '../build/android/increase_size_for_speed.gypi',
+        # Disable LTO due to compiler error
+        # in mems_in_disjoint_alias_sets_p, at alias.c:393
+        # crbug.com/422255
+        '../build/android/disable_lto.gypi',
       ],
       'include_dirs': [
         '../third_party/skia/include/core',
         '../third_party/skia/include/effects',
         '../third_party/skia/src/core',
         '../third_party/skia/src/opts',
         '../third_party/skia/src/utils',
       ],
       'conditions': [
         [ 'os_posix == 1 and OS != "mac" and OS != "android" and \
@@ skipping 248 matching lines @@
     # NEON-specific sources in a separate static library. The situation
     # is very similar to the SSSE3 one.
     ['target_arch == "arm" and (arm_neon == 1 or arm_neon_optional == 1)', {
       'targets': [
         {
           'target_name': 'skia_opts_neon',
           'type': 'static_library',
           'includes': [
             'skia_common.gypi',
             '../build/android/increase_size_for_speed.gypi',
+            # Disable LTO due to Neon issues
+            # crbug.com/408997
+            '../build/android/disable_lto.gypi',
           ],
           'include_dirs': [
             '../third_party/skia/include/core',
             '../third_party/skia/include/effects',
             '../third_party/skia/src/core',
             '../third_party/skia/src/opts',
             '../third_party/skia/src/utils',
           ],
           'cflags!': [
             '-fno-omit-frame-pointer',
@@ skipping 21 matching lines @@
             '../third_party/skia/src/opts/SkTextureCompression_opts_neon.cpp',
             '../third_party/skia/src/opts/SkXfermode_opts_arm_neon.cpp',
             '../third_party/skia/src/opts/memset16_neon.S',
             '../third_party/skia/src/opts/memset32_neon.S',
           ],
         },
       ],
     }],
   ],
 }