Wrong line numbers in errors

[Matthias Urlichs via Bug reports for the GNU Bourne Again SHell]

Version 5.2.15




#!/bin/bash
set -u
( echo x ) | while read f ; do
    echo Test $f
    echo Test $f
    echo Test $f
    echo Test $f
    echo Test $f
done
echo $nope

--
-- mit freundlichen Grüßen
--
-- Matthias Urlichs

see example script below, the unassigned $nope is reported to be in line 4 which is obviously wrong. Removing the parentheses around the echo fixes the problem.

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