3 files changed, 26 insertions, 0 deletions
diff --git a/clang/test/Lexer/has_extension.c b/clang/test/Lexer/has_extension.c
index bc75a4a1c54..4c322c7ce7a 100644
--- a/clang/test/Lexer/has_extension.c
+++ b/clang/test/Lexer/has_extension.c
@@ -28,3 +28,11 @@ int has_c_generic_selections();
 int no_c_generic_selections();
 #endif
 
+// CHECK-PED-NONE: has_c_alignas
+// CHECK-PED-ERR: no_c_alignas
+#if __has_extension(c_alignas)
+int has_c_alignas();
+#else
+int no_c_alignas();
+#endif
+
diff --git a/clang/test/Lexer/has_feature_c1x.c b/clang/test/Lexer/has_feature_c1x.c
index 6c0fb212cce..ca4e9b95ad0 100644
--- a/clang/test/Lexer/has_feature_c1x.c
+++ b/clang/test/Lexer/has_feature_c1x.c
@@ -18,3 +18,12 @@ int no_generic_selections();
 
 // CHECK-1X: has_generic_selections
 // CHECK-NO-1X: no_generic_selections
+
+#if __has_feature(c_alignas)
+int has_alignas();
+#else
+int no_alignas();
+#endif
+
+// CHECK-1X: has_alignas
+// CHECK-NO-1X: no_alignas
diff --git a/clang/test/Lexer/has_feature_cxx0x.cpp b/clang/test/Lexer/has_feature_cxx0x.cpp
index 5813562de7d..f2b4576b57e 100644
--- a/clang/test/Lexer/has_feature_cxx0x.cpp
+++ b/clang/test/Lexer/has_feature_cxx0x.cpp
@@ -173,3 +173,12 @@ int no_implicit_moves();
 
 // CHECK-0X: has_implicit_moves
 // CHECK-NO-0X: no_implicit_moves
+
+#if __has_feature(cxx_alignas)
+int has_alignas();
+#else
+int no_alignas();
+#endif
+
+// CHECK-0X: has_alignas
+// CHECK-NO-0X: no_alignas