The addition if the safe wrapper in r15620 introduced an extra
output frame in the backtrace of helgrind/tests/tc18_semabuse and
helgrind/tests/tc20_verifywrap.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15630
with error code 22 (EINVAL: Invalid argument)
at 0x........: sem_post_WRK (hg_intercepts.c:...)
by 0x........: sem_post (hg_intercepts.c:...)
+ ...
by 0x........: main (tc18_semabuse.c:40)
with error code 22 (EINVAL: Invalid argument)
at 0x........: sem_post_WRK (hg_intercepts.c:...)
by 0x........: sem_post (hg_intercepts.c:...)
+ ...
by 0x........: main (tc20_verifywrap.c:265)