[MacPorts] #68452: kdelibs4 @4.14.3_110 +debug+docs+osxkeychain: onto2vocabularyclass segfaults during build

[MacPorts]

#68452: kdelibs4 @4.14.3_110 +debug+docs+osxkeychain: onto2vocabularyclass
segfaults during build
---------------------------------------+--------------------
  Reporter:  cooljeanius               |      Owner:  (none)
      Type:  defect                    |     Status:  new
  Priority:  Normal                    |  Milestone:
 Component:  ports                     |    Version:  2.8.1
Resolution:                            |   Keywords:
      Port:  kdelibs4 soprano raptor2  |
---------------------------------------+--------------------

Comment (by cooljeanius):

 Replying to [comment:23 barracuda156]:
 > Replying to [comment:21 cooljeanius]:
 > > The backtrace included in the crash report already attached ought to
 be enough, IMO; I think I may have already found the null pointer
 dereference within it just by looking at it, and have commented to point
 it out in the linked upstream bug report.
 >
 > Unfortunately, it does not seem to fix the issue. I have rebuilt
 `raptor2` with your change, rebuilt `soprano`, and got the same segfault
 with `kdelibs4` :(

 Well, I also tried turning on GCC's static analysis flags, so maybe one of
 the potential null dereferences flagged there is the one to blame... I'll
 attach output from that next...

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Ticket URL: <https://trac.macports.org/ticket/68452#comment:24>
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