[ARM] Properly initialize ARMArch in the ARM subtarget

llvm-svn: 253331
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.cpp b/llvm/lib/Target/ARM/ARMSubtarget.cpp
index 50eb378..1f95be0 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.cpp
+++ b/llvm/lib/Target/ARM/ARMSubtarget.cpp
@@ -88,8 +88,8 @@
                            const std::string &FS,
                            const ARMBaseTargetMachine &TM, bool IsLittle)
     : ARMGenSubtargetInfo(TT, CPU, FS), ARMProcFamily(Others),
-      ARMProcClass(None), stackAlignment(4), CPUString(CPU), IsLittle(IsLittle),
-      TargetTriple(TT), Options(TM.Options), TM(TM),
+      ARMProcClass(None), ARMArch(Other), stackAlignment(4), CPUString(CPU),
+      IsLittle(IsLittle), TargetTriple(TT), Options(TM.Options), TM(TM),
       FrameLowering(initializeFrameLowering(CPU, FS)),
       // At this point initializeSubtargetDependencies has been called so
       // we can query directly.