Fix a ftbfs on lldb on arm64 (Closes: #836591)

Once more, thanks to Ximin Luo for investigating

debian/changelog

@@ -1,3 +1,10 @@
+llvm-toolchain-3.8 (1:3.8.1-12) unstable; urgency=medium
+
+  * Fix a ftbfs on lldb on arm64 (Closes: #836591)
+    Once more, thanks to Ximin Luo for investigating
+
+ -- Sylvestre Ledru <sylvestre@debian.org>  Thu, 08 Sep 2016 10:39:51 +0200
+
 llvm-toolchain-3.8 (1:3.8.1-11) unstable; urgency=medium
 
   * Fix the arm64 lldb build issue. Thanks to Ximin Luo (Closes: #836591)

debian/patches/lldb-arm64.diff

@@ -0,0 +1,12 @@
+Index: llvm-toolchain-3.8-3.8.1/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_arm64.cpp
+--- llvm-toolchain-3.8-3.8.1.orig/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_arm64.cpp	2016/01/11 10:39:09	257322
++++ llvm-toolchain-3.8-3.8.1/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_arm64.cpp	2016/04/12 05:40:51	266042
+@@ -32,6 +32,8 @@
+ #include <sys/socket.h>
+ // NT_PRSTATUS and NT_FPREGSET definition
+ #include <elf.h>
++// user_hwdebug_state definition
++#include <asm/ptrace.h>
+ 
+ #define REG_CONTEXT_SIZE (GetGPRSize() + GetFPRSize())
+ 

debian/patches/series

@@ -47,3 +47,4 @@ D18035-PR23529-Mangler-part-of-attrbute-abi_tag-support.diff
 kfreebsd-support.diff
 asan-glibc-2.24.diff
 lldb-dont-assume-64bit-systems-are-all-x86-64.patch
+lldb-arm64.diff