svn commit: r329910 - head/sys/cddl/contrib/opensolaris/uts/common/sys

[Alan Somers]

Author: asomers
Date: Sat Feb 24 16:01:21 2018
New Revision: 329910
URL: https://svnweb.freebsd.org/changeset/base/329910

Log:
  Implement CTASSERT using _Static_assert
  
  Prevents warnings about "unused typedef" with GCC-6
  
  Reported by:	GCC-6
  MFC after:	18 days
  X-MFC-With:	329722

Modified:
  head/sys/cddl/contrib/opensolaris/uts/common/sys/debug.h

Modified: head/sys/cddl/contrib/opensolaris/uts/common/sys/debug.h
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/sys/debug.h	Sat Feb 24 15:13:20 2018	(r329909)
+++ head/sys/cddl/contrib/opensolaris/uts/common/sys/debug.h	Sat Feb 24 16:01:21 2018	(r329910)
@@ -133,8 +133,8 @@ _NOTE(CONSTCOND) } while (0)
 #ifndef CTASSERT
 #define	CTASSERT(x)		_CTASSERT(x, __LINE__)
 #define	_CTASSERT(x, y)		__CTASSERT(x, y)
-#define	__CTASSERT(x, y) \
-	typedef char __compile_time_assertion__ ## y [(x) ? 1 : -1]
+#define	__CTASSERT(x, y) 	\
+	_Static_assert((x), "Static assert failed at " #y)
 #endif
 
 #ifdef	_KERNEL