This file is indexed.

/usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/limity.h is in gcc-5-plugin-dev 5.5.0-12ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
/* This administrivia gets added to the end of limits.h
   if the system has its own version of limits.h.  */

#else /* not _GCC_LIMITS_H_ */

#ifdef _GCC_NEXT_LIMITS_H
#include_next <limits.h>		/* recurse down to the real one */
#endif

#endif /* not _GCC_LIMITS_H_ */