problems on case-insensitive file systems. Rename it back to
t/run/switch_A.t
p4raw-id: //depot/perl@18747
t/run/runenv.t Test if perl honors its environment variables.
t/run/switcha.t Test the -a switch
t/run/switches.t Tests for the other switches
-t/run/switchA.t Test the -A switch
t/run/switchF.t Test the -F switch
t/run/switchI.t Test the -I switch
+t/run/switch_A.t Test the -A switch
t/run/switchn.t Test the -n switch
t/run/switchp.t Test the -p switch
t/run/switchPx.aux Data for switchPx.t