K 10
svn:author
V 6
jbeich
K 8
svn:date
V 27
2016-11-08T13:11:31.506794Z
K 7
svn:log
V 234
MFH: r425733

gecko: backport fix for crash on 9.x (lang/gcc5 + -O3)

https://lists.freebsd.org/pipermail/freebsd-gecko/2016-November/006752.html
https://bugzilla.mozilla.org/show_bug.cgi?id=757366

Approved by:	ports-secteam blanket

END