+#if 1200 <= _MSC_VER
+/* Standard include files on this platform contain declarations like
+ "__declspec (noreturn) void abort (void);". "#define noreturn
+ _Noreturn" would cause this declaration to be rewritten to the
+ invalid "__declspec (__declspec (noreturn)) void abort (void);".
+ Instead, define noreturn to empty, so that such declarations are
+ rewritten to "__declspec () void abort (void);", which is
+ equivalent to "void abort (void);"; this gives up on noreturn's
+ advice to the compiler but at least it is valid code. */
+# define noreturn /*empty*/
+#else
+# define noreturn _Noreturn
+#endif