Index: source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
===================================================================
--- source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
+++ source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
@@ -954,7 +954,8 @@
   case llvm::COFF::IMAGE_FILE_MACHINE_ARM:
   case llvm::COFF::IMAGE_FILE_MACHINE_ARMNT:
   case llvm::COFF::IMAGE_FILE_MACHINE_THUMB:
-    arch.SetArchitecture(eArchTypeCOFF, machine, LLDB_INVALID_CPUTYPE);
+    arch.SetArchitecture(eArchTypeCOFF, machine, LLDB_INVALID_CPUTYPE,
+                         llvm::Triple::Win32);
     return true;
   default:
     break;