Adding new Dwarf constants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29798 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Dwarf.cpp b/lib/Support/Dwarf.cpp
index 35862e8..572ba19 100644
--- a/lib/Support/Dwarf.cpp
+++ b/lib/Support/Dwarf.cpp
@@ -189,6 +189,7 @@
     case DW_AT_elemental:                  return "AT_elemental";
     case DW_AT_pure:                       return "AT_pure";
     case DW_AT_recursive:                  return "AT_recursive";
+    case DW_AT_MIPS_linkage_name:          return "AT_MIPS_linkage_name";
     case DW_AT_sf_names:                   return "AT_sf_names";
     case DW_AT_src_info:                   return "AT_src_info";
     case DW_AT_mac_info:                   return "AT_mac_info";