MultiThresholdStumpLearner with TreeLearner coredumps

[/C=FR/O=CNRS/OU=UMR8607/CN=Francois-David Collin/emailAddress=Francois-David.Collin@…]

multiboost --fileformat arff --traintest ./pendigitsTrain.arff
./pendigitsTest.arff 5 --outputinfo ./OK/REF-pendigits-TreeLearner-
MultiThresholdStumpLearner-traintest.dta --shypname ./OK/REF-pendigits-
TreeLearner-MultiThresholdStumpLearner-traintest.xml --learnertype
TreeLearner --baselearnertype MultiThresholdStumpLearner 5 --verbose 6
--> Using learner: TreeLearner
Warning: No strong learner is given. Set to default (AdaBoost).
The strong learner is AdaBoostMH
Segmentation fault (core dumped)

gdb output

#0  0x00000001000b001a in MultiBoost::TreeLearner::initLearningOptions
(this=0x100900dc0, args=@0x7fff5fbfe350) at
src/WeakLearners/TreeLearner.cpp:94
94
dynamic_cast<BaseLearner*>(_baseLearners[ib])->initLearningOptions(args);

(gdb) l
89
90                      pWeakHypothesisSource->initLearningOptions(args);
91
92                      for( int ib = 0; ib < _numBaseLearners; ++ib ) {
93
_baseLearners.push_back(dynamic_cast<ScalarLearner*>(pWeakHypothesisSource->create()));
94
dynamic_cast<BaseLearner*>(_baseLearners[ib])->initLearningOptions(args);
95
96                              vector< int > tmpVector( 2, -1 );
97                              _idxPairs.push_back( tmpVector );
98                      }

[/C=FR/O=CNRS/OU=UMR8607/CN=Francois-David Collin/emailAddress=Francois-David.Collin@…]

Just to confirm that with the latest version this is still crashing at the same place.