3 files changed, 39 insertions, 0 deletions
diff --git a/test/Headers/c11.c b/test/Headers/c11.c
new file mode 100644
index 0000000..f65164d1
--- /dev/null
+++ b/test/Headers/c11.c
@@ -0,0 +1,19 @@
+// RUN: %clang -fsyntax-only -Xclang -verify -std=c11 %s
+// RUN: %clang -fsyntax-only -Xclang -verify -std=c11 -fmodules %s
+
+noreturn int f(); // expected-error 1+{{}}
+
+#include <stdnoreturn.h>
+#include <stdnoreturn.h>
+#include <stdnoreturn.h>
+
+int g();
+noreturn int g();
+int noreturn g();
+int g();
+
+#include <stdalign.h>
+_Static_assert(__alignas_is_defined, "");
+_Static_assert(__alignof_is_defined, "");
+alignas(alignof(int)) char c[4];
+_Static_assert(__alignof(c) == 4, "");
diff --git a/test/Headers/cxx11.cpp b/test/Headers/cxx11.cpp
new file mode 100644
index 0000000..41bdc76
--- /dev/null
+++ b/test/Headers/cxx11.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang -fsyntax-only -std=c++11 %s
+// RUN: %clang -fsyntax-only -std=c++11 -fmodules %s
+
+#include <stdalign.h>
+
+#if defined alignas
+#error alignas should not be defined in C++
+#endif
+
+#if defined alignof
+#error alignof should not be defined in C++
+#endif
+
+static_assert(__alignas_is_defined, "");
+static_assert(__alignof_is_defined, "");
diff --git a/test/Headers/stdbool.cpp b/test/Headers/stdbool.cpp
index a252cca..7c927db 100644
--- a/test/Headers/stdbool.cpp
+++ b/test/Headers/stdbool.cpp
@@ -1,5 +1,6 @@
 // RUN: %clang_cc1 -E -dM %s | FileCheck --check-prefix=CHECK-GNU-COMPAT %s
 // RUN: %clang_cc1 -std=c++98 -E -dM %s | FileCheck --check-prefix=CHECK-CONFORMING %s
+// RUN: %clang_cc1 -fsyntax-only -std=gnu++98 -verify -Weverything %s
 #include <stdbool.h>
 #define zzz
 
@@ -12,3 +13,7 @@
 // CHECK-CONFORMING: #define __CHAR_BIT__
 // CHECK-CONFORMING-NOT: #define false false
 // CHECK-CONFORMING: #define zzz
+
+zzz
+// expected-no-diagnostics
+extern bool x;