[rcs 0005159]: co and ci coredump on Solaris 11.1

[Mantis Bug Tracker via bug-notifications]

A NOTE has been added to this issue. 
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https://www.opencsw.org/mantis/view.php?id=5159 
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Reported By:                tailcat
Assigned To:                dam
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Project:                    rcs
Issue ID:                   5159
Category:                   regular use
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     feedback
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Date Submitted:             2014-03-28 20:34 CET
Last Modified:              2014-04-01 22:51 CEST
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Summary:                    co and ci coredump on Solaris 11.1
Description: 
co and ci coredump on Solaris 11.1, doesn't seem to do so on Solaris 10

just typing ci or co to get the usage doesn't coredump, but ci -u filename
co -l filename coredump.

# uname -a
SunOS ahostname 5.11 11.1 i86pc i386 i86pc

truss output attached.
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 (0010789) dam (administrator) - 2014-04-01 22:51
 https://www.opencsw.org/mantis/view.php?id=5159#c10789 
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The issue seems to be Sun Studio specific, with gcc the issue does not
appear. For some reason
the testsuite hasn't been run in a while and these are some failing tests.
I'll investigate further.