t/op/hash.t See if the complexity attackers are repelled
t/op/hashwarn.t See if warnings for bad hash assignments work
t/op/inccode.t See if coderefs work in @INC
+t/op/incfilter.t See if the source filters in coderef-in-@INC work
t/op/inc.t See if inc/dec of integers near 32 bit limit work
t/op/index.t See if index works
t/op/int.t See if int works