That's a bit of surprise to me, because for me it prints

Missing right curly or square bracket at /home/moritz/foo.pl line 10, 
+at end of line
syntax error at /home/moritz/foo.pl line 10, at EOF
Execution of /home/moritz/foo.pl aborted due to compilation errors.
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Please use <code>...</code> tags around code examples that you put here, and also make sure to copy & paste them from your actual script to not introduce some bugs by incorrectly writing it down.

Also please start your scripts with

use strict;
use warnings;
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And you'll get at least a warning about what you're doing wrong.