$ cat goner1\hi.pm


$ cat goner2\hi.pm
1;

$ perl -Igoner1 -Mhi -e 1
hi.pm did not return a true value.
BEGIN failed--compilation aborted.

$ perl -Igoner2 -Mhi -e 1

$ perl -Igoner1 -Igoner2 -Mhi -e 1
hi.pm did not return a true value.
BEGIN failed--compilation aborted.

$ perl -Igoner1 -Igoner2 -le"print for @INC"
goner1
goner2
...
.