Add attribute always_inline support.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58304 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/AttributeList.cpp b/lib/Parse/AttributeList.cpp
index 825570d..342c87f 100644
--- a/lib/Parse/AttributeList.cpp
+++ b/lib/Parse/AttributeList.cpp
@@ -97,6 +97,7 @@
     break;
   case 13:
     if (!memcmp(Str, "address_space", 13)) return AT_address_space;
+    if (!memcmp(Str, "always_inline", 13)) return AT_always_inline;
     break;
   case 15:
     if (!memcmp(Str, "ext_vector_type", 15)) return AT_ext_vector_type;