I found this problem using an older release under SCO OSR5, and duplicated with
the binary ksh.2009-05-05.linux.i386-64.gz from research.att.com.
Test program:

    function handler {
        :
    }

    trap handler CHLD

    /bin/true &
    IFS= read

Run, hit return once.  The result is a memory fault.

        John
-- 
John DuBois     [email protected]   KC6QKZ/AE
I wish to God these calculations had been executed by steam. - Charles Babbage
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