K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2018-01-22T01:50:10.748851Z
K 7
svn:log
V 285
Use the __alloc_size2 attribute where relevant.

This follows the documented use in GCC. It is basically only relevant for
calloc(3), reallocarray(3) and  mallocarray(9).

Suggested by:	Mark Millard

Reference:
https://docs.freebsd.org/cgi/mid.cgi?9DE674C6-EAA3-4E8A-906F-446E74D82FC4

END