Workaround is to add ; 
grep { ;no strict 'refs'; } qw(x);

[download]
but that confuse Deparse :D 
perl -MO=Deparse
use strict;
use warnings;
grep { ;no strict 'refs'; } qw(x);
^D
use warnings;
use strict 'refs';
grep {();} 'x';
- syntax OK

[download]
Also works
grep { do{ no strict 'refs'; } } qw(x)

[download]

In reply to Re^2: Pragma inside grep block by Anonymous Monk
in thread Pragma inside grep block by rovf

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