Use of uninitialized value $foo in print at (eval 1) line 1.
########
# pp_ctl.c
-use warnings 'portable';
-eval 'use 5.6.1';
-EXPECT
-v-string in use/require non-portable at (eval 1) line 2.
-########
-# pp_ctl.c
-use warnings 'portable';
-eval 'use v5.6.1';
-EXPECT
-v-string in use/require non-portable at (eval 1) line 2.
-########
-# pp_ctl.c
use warnings;
{
no warnings;
use warnings;
eval 'use 5.006; use 5.10.0';
EXPECT
-########
-# pp_ctl.c
-use warnings;
-eval '{use 5.006;} use 5.10.0';
-EXPECT
-v-string in use/require non-portable at (eval 1) line 2.
-########
-# pp_ctl.c
-use warnings;
-eval 'use vars; use 5.10.0';
-EXPECT
-v-string in use/require non-portable at (eval 1) line 2.