Linux fix patch from Dmitry Vyukov.

llvm-svn: 151072
diff --git a/lldb/source/Plugins/Process/Utility/StopInfoMachException.cpp b/lldb/source/Plugins/Process/Utility/StopInfoMachException.cpp
index 95f3633..95be8c5 100644
--- a/lldb/source/Plugins/Process/Utility/StopInfoMachException.cpp
+++ b/lldb/source/Plugins/Process/Utility/StopInfoMachException.cpp
@@ -34,7 +34,7 @@
     {
         ExecutionContext exe_ctx (m_thread.shared_from_this());
         Target *target = exe_ctx.GetTargetPtr();
-        const llvm::Triple::ArchType cpu = target ? target->GetArchitecture().GetMachine() : llvm::Triple::InvalidArch;
+        const llvm::Triple::ArchType cpu = target ? target->GetArchitecture().GetMachine() : llvm::Triple::UnknownArch;
 
         const char *exc_desc = NULL;
         const char *code_label = "code";
@@ -257,7 +257,7 @@
     {
         ExecutionContext exe_ctx (thread.shared_from_this());
         Target *target = exe_ctx.GetTargetPtr();
-        const llvm::Triple::ArchType cpu = target ? target->GetArchitecture().GetMachine() : llvm::Triple::InvalidArch;
+        const llvm::Triple::ArchType cpu = target ? target->GetArchitecture().GetMachine() : llvm::Triple::UnknownArch;
 
         switch (exc_type)
         {