In the following minimal example, I get an error message from the Math::Complex package, but no stack trace or indication that the error happened at line 4 of the program. In a situation like this, how do I force a stack trace to be output so that I can find out where the error is happening? Is this package somehow defeating perl's normal error-reporting mechanisms? Is this a bug, or just a bad design choice?

Code: 

use Math::Complex;
use strict;
my $x = 1+1*i;
print $x*undef;

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Output: 
Use of uninitialized value $z2 in multiplication (*) at /usr/share/per
+l/5.14/Math/Complex.pm line 471.
Use of uninitialized value $z2 in multiplication (*) at /usr/share/per
+l/5.14/Math/Complex.pm line 471.
0

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In reply to how to force a stack trace by bcrowell2

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