I'm pretty sure the patch was applied correctly to 5.17.4. I went back to stock 5.17.4 and all tests pass. With the patch the tests above fail.

In reply to Re^4: "double free or corruption" in Perl 5.16.0 but not in 5.14.2 by mje
in thread "double free or corruption" in Perl 5.16.0 but not in 5.14.2 by mje

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