--- a/mozilla-fix-aarch64-libopus.patch	Tue May 14 12:12:16 2019 +0200
+++ b/mozilla-fix-aarch64-libopus.patch	Wed May 15 19:43:42 2019 +0200
@@ -1,6 +1,15 @@
---- firefox-66.0.1.orig/media/libopus/silk/arm/arm_silk_map.c	2019-03-22 06:05:57.000000000 +0100
-+++ firefox-66.0.1/media/libopus/silk/arm/arm_silk_map.c	2019-03-28 09:35:28.604948775 +0100
-@@ -28,7 +28,7 @@ POSSIBILITY OF SUCH DAMAGE.
+# HG changeset patch
+# Parent  1317782cd47f1d1f2410712a1dd283b305393eae
+
+diff --git a/media/libopus/silk/arm/arm_silk_map.c b/media/libopus/silk/arm/arm_silk_map.c
+--- a/media/libopus/silk/arm/arm_silk_map.c
++++ b/media/libopus/silk/arm/arm_silk_map.c
+@@ -23,17 +23,17 @@ INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+ ***********************************************************************/
+ #ifdef HAVE_CONFIG_H
  # include "config.h"
  #endif
  
@@ -9,3 +18,8 @@
  #include "NSQ.h"
  #include "SigProc_FIX.h"
  
+ #if defined(OPUS_HAVE_RTCD)
+ 
+ # if (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && \
+  !defined(OPUS_ARM_PRESUME_NEON_INTR))
+