Just a guess... people are sometimes confused about warnings showing immediately (STDERR) while print statements are buffered (STDOUT).

This can give the impression of differing execution order.

see also Suffering from Buffering

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Je suis Charlie!

In reply to Re: line execution order changes by machine/env by LanX
in thread line execution order changes by machine/env by davefg

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