Commits 02d85cc37a4acecafdc2f0b45640b03cd1f4ac71 and 28c5b5bcd7f52e6b2219508a1066cd0ccc8dd19a fix this when $#array is used as a rvalue. You'll see these changes in 5.11.2 (next month's dev release) and 5.12 (early to mid 2010)

In reply to Re^7: perl5.10 Devel::Size behaviour changed? (reason for magic) by ikegami
in thread perl5.10 Devel::Size behaviour changed? by sang1986

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