[Gc] There should be a library major bump of gc library

[tsugutomo.enami at jp.sony.com]

Ivan Maidanski <ivmai at mail.ru> writes:

> Could you please check the code that is 7.2c candidate (before we make
> a tarball) and confirm that it works and solves the problems mentioned
> by you: https://github.com/ivmai/bdwgc/tree/gc-7_2-hotfix-2

Hi.

I've tested it (make and make check) on both NetBSD/i386 6.0_BETA2 and
NetBSD/amd64 6.0_BETA2.  The output of last several lines from the
latter is below.

enami.

PASS: threadleaktest
PASS: threadkey_test
subthread_create: created 195 threads (193 ended)
PASS: subthread_create
PASS: initsecondarythread
Threaded disclaim test.
PASS: disclaim_test
                        fin. ratio       time/s    time/fin.
regular finalization:       0.9922         4.99  1.19908e-06
 finalize on reclaim:       1.0000         1.36  3.24249e-07
     no finalization:       0.0000         0.27          N/A
PASS: disclaim_bench
===================
All 14 tests passed
===================