perlguts: some custom op xop_class tweaks #24067
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tonycoz
commented
Jan 9, 2026
tonycoz
commented
- This set of changes does not require a perldelta entry.
And it's reasonable that it is used. Faster::Maths, Object::Pad, Syntax::Operator::Is, Data::Checks, XS::Parse::Sublike all use this (I see an author trend...) I also have an unreleased module that uses it.
$ perl -MO=Concise,f -e 'sub f { goto foo; foo:1 }'
main::f:
5 <1> leavesub[1 ref] K/REFC,1 ->(end)
- <@> lineseq KP ->5
1 <;> nextstate(main 2 -e:1) v:{ ->2
2 <"> goto("foo") v ->3
3 <;> nextstate(foo: main 2 -e:1) v:{ ->4
4 <$> const[IV 1] s ->5
-e syntax OK
though this isn't reflected in regen/opcodes
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