$ PERLDB_OPTS="NonStop frame=31" perl -dle 'sub abc { return $_[0] + 1 } print join qq(\t), abc(0), abc(1+2)'
Package -e.
in @=main::abc(0) from -e:1
out @=main::abc(0) from -e:1
list context return from main::abc:
0 1
in @=main::abc(3) from -e:1
out @=main::abc(3) from -e:1
list context return from main::abc:
0 4
1 4
Package -e.
in @=main::abc(0) from -e:1
out @=main::abc(0) from -e:1
list context return from main::abc:
0 1
in @=main::abc(3) from -e:1
out @=main::abc(3) from -e:1
list context return from main::abc:
0 4
1 4
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