If it were true, why then threaded and non-threaded perl give different results in \ $_ ?
I don't know why that code isn't reached for non-threaded Perls.
Even if it was, that's bad intention to me, and bad design. A bug, basically.
You're wrong to simply declare that it's a design flaw.
Three people in this thread and many of the core Perl5 developers (if not all) know that it's not self-evident that literals should create non-modifiable values.
You're wrong to simply declare that it's a bug.
It's only a bug if it doesn't behave as intended, and some of the core Perl5 developers have explicitly stated they believe literals should return modifiable values.
I was hoping you'd come around to expressing an opinion or making an argument, but all we got were empty declarations.
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