$v = eval $m1;
EXPECT
Use of uninitialized value $_ in eval "string" at - line 4.
-Use of uninitialized value $_ in eval "string" at - line 4.
-Use of uninitialized value $_ in eval "string" at - line 4.
-Use of uninitialized value $m1 in eval "string" at - line 5.
-Use of uninitialized value $m1 in eval "string" at - line 5.
Use of uninitialized value $m1 in eval "string" at - line 5.
########
use warnings 'uninitialized';