Add bound violation handling for Intel(R) Memory Protection Extensions (Intel(R) MPX)

Summary:
This patch adds support for handling the SIGSEGV signal with 'si_code ==
SEGV_BNDERR', which is thrown when a bound violation is caught by the
Intel(R) MPX technology.

Differential Revision: https://reviews.llvm.org/D25329

llvm-svn: 283474
diff --git a/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
index ebe80da..d18d3c1 100644
--- a/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
@@ -316,8 +316,7 @@
           (info->si_signo == SIGBUS && info->si_code == SI_KERNEL)
               ? CrashReason::eInvalidAddress
               : GetCrashReason(*info);
-      m_stop_description = GetCrashReasonString(
-          reason, reinterpret_cast<uintptr_t>(info->si_addr));
+      m_stop_description = GetCrashReasonString(reason, *info);
       break;
     }
   }