Re-enable WebRtcIsacfix_AllpassFilter2FixDec16Neon

webrtc/modules/audio_coding/codecs/isac/isacfix.gypi

Index: webrtc/modules/audio_coding/codecs/isac/isacfix.gypi
diff --git a/webrtc/modules/audio_coding/codecs/isac/isacfix.gypi b/webrtc/modules/audio_coding/codecs/isac/isacfix.gypi
index 68aa8d09c6013497185be95e37d2cf744a515969..a00ccab8ceb929acf8ec9ef4d6e2ed194f56fbf8 100644
--- a/webrtc/modules/audio_coding/codecs/isac/isacfix.gypi
+++ b/webrtc/modules/audio_coding/codecs/isac/isacfix.gypi
@@ -137,17 +137,20 @@
           ],
           'sources': [
             'fix/source/entropy_coding_neon.c',
+            'fix/source/filterbanks_neon.c',
             'fix/source/filters_neon.c',
             'fix/source/lattice_neon.c',
             'fix/source/transform_neon.c',
           ],
           'conditions': [
-            # Disable AllpassFilter2FixDec16Neon function due to a clang bug.
-            # For more details refer to:
-            # https://code.google.com/p/webrtc/issues/detail?id=4567
-            ['target_arch!="arm64" or clang==0', {
-              'sources': ['fix/source/filterbanks_neon.c',],
-            }]
+            # Disable LTO in isac_neon target due to compiler bug.

[Andrew MacDonald, 2015/07/27 17:14:04]

This is a rebasing error. This is now in arm_neon.gypi, so you can remove the
entire conditions block.

[zhongwei, 2015/07/28 03:01:12]

Done.

+            # TODO(fdegans): Enable this. See crbug.com/408997.
+            ['use_lto==1', {
+              'cflags!': [
+                '-flto',
+                '-ffat-lto-objects',
+              ],
+            }],
           ],
         },
       ],