Added missing test for [ARM] AttributeParser. Check that build attribute
Tag_Advanced_SIMD_arch is set correctly when targeting v8.1-a NEON.

Differential Revision: http://reviews.llvm.org/D13281

llvm-svn: 249304
diff --git a/llvm/tools/llvm-readobj/ARMAttributeParser.cpp b/llvm/tools/llvm-readobj/ARMAttributeParser.cpp
index e2d7191..2059887 100644
--- a/llvm/tools/llvm-readobj/ARMAttributeParser.cpp
+++ b/llvm/tools/llvm-readobj/ARMAttributeParser.cpp
@@ -193,7 +193,7 @@
 void ARMAttributeParser::Advanced_SIMD_arch(AttrType Tag, const uint8_t *Data,
                                             uint32_t &Offset) {
   static const char *Strings[] = {
-    "Not Permitted", "NEONv1", "NEONv2+FMA", "ARMv8-a NEON"
+    "Not Permitted", "NEONv1", "NEONv2+FMA", "ARMv8-a NEON", "ARMv8.1-a NEON"
   };
 
   uint64_t Value = ParseInteger(Data, Offset);