Treat alignas and _Alignas as keyword attributes. This allows us to
pretty-print them properly (modulo the more general badness in alignment
attribute printing).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173752 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Parser/cxx11-stmt-attributes.cpp b/test/Parser/cxx11-stmt-attributes.cpp
index f26db79..a995847 100644
--- a/test/Parser/cxx11-stmt-attributes.cpp
+++ b/test/Parser/cxx11-stmt-attributes.cpp
@@ -27,7 +27,7 @@
   [[unknown_attribute]] return; // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
 	 
 
-  alignas(8) ; // expected-warning {{attribute aligned cannot be specified on a statement}}
+  alignas(8) ; // expected-warning {{attribute alignas cannot be specified on a statement}}
   [[noreturn]] { } // expected-warning {{attribute noreturn cannot be specified on a statement}}
   [[noreturn]] if (0) { } // expected-warning {{attribute noreturn cannot be specified on a statement}}
   [[noreturn]] for (;;); // expected-warning {{attribute noreturn cannot be specified on a statement}}