no real point in having them in corecheck/tests since they're not testing anything that Nulgrind doesn't provide. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4048
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2171
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@1086