kevlo 2008-07-21 01:13:33 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
usr.bin/yacc skeleton.c
Log:
SVN rev 180642 on 2008-07-21 01:13:33Z by kevlo
MFC: r180597
Fix a longstanding bug, from Otto Moerbeck:
if we're reducing a rule that has an empty
right hand side and the yacc stackpointer is pointing at the very
end of the allocated stack, we end up accessing the stack out of
bounds by the implicit $$ = $1 action
Obtained from: OpenBSD
Revision Changes Path
1.37.22.1 +5 -1 src/usr.bin/yacc/skeleton.c