in reply to Mason app dies with "Bizarre copy of array in aassign"

An afterthought, but possibly a significant one. The error could be right there in Devel::StackTrace.

The code in question is trying to get the arguments that were passed to a sub from DB::args, but it doesn't check to see if there were any args passed to the sub (frame) in question.

Try modifying the line in the error message to read:

my @a = $c[4] ? @DB::args : ();

and see if the problem goes away.

Logic: From Perlfunc:caller()

...$hasargs is true if a new instance of @_ was set up for the frame....

Furthermore, when called from within the DB package, caller returns more detailed information: it sets the list variable @DB::args to be the arguments with which the subroutine was invoked.

It doesn't say what the state of DB::args will be if $hasargs wasn't set. Making the attempt to get conditional upon $hasargs returned from caller ($c4) will exclude this possibility.

In the unlikely chance that this does affect a cure, be sure to report the problem and fix to the author.


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