K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2019-05-02T15:03:16.226265Z
K 7
svn:log
V 332
Cleanup for rtld_malloc.c.

- Remove dead and most likely rotten MALLOC_DEBUG, MSTAT, and RCHECK options.
- Remove unused headers.
- Remove one case of undefined behavior where left shift could overflow.
  It is impossible on practice for rtld and libthr consumer.

PR:	237577
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

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