tcsh hangs with the wait builtin command

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Issue

tcsh hangs up in executing wait built in command (sigsuspned systemcall) if the background job ends before the wait built-in command gets ready to wait for the completion of the background job.

Environment

Red Hat Enterprise Linux 6 Update 4
Architecture: x86_64
Kernel Version: 2.6.32-358.14.1.el6
Package Version: tcsh-6.17-24.el6

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