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Re: [perl #56150] return return

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From:

Yitzchak Scott-Thoennes

Date:

June 25, 2008 01:38

Subject:

Re: [perl #56150] return return

Message ID:

38154.71.32.85.253.1214383115.squirrel@webmail.efn.org

On Wed, June 25, 2008 1:17 am, Reini Urban wrote:
> David Nicol schrieb:
>> leaving the question, why doesn't the optimizer get rid of return?
>>
>> tentative answer: because the optimizer authors didn't get around to
>> it, seeing once-per-subroutine as not enough savings to justify the
>> effort.
>
> The optimizer does something with the op_type OP_RETURN.
> The ck_return() does change all kids to OP_LEAVESUBLV if lvalue'd.
> The problem is the tokenizer.

Wouldn't this go in a ck_ for leavesub, leavesublv, and leavetry?
Or maybe lineseq; don't know where all that is used or what its
purpose is.

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