Section 8.3.1 of the spec states:

Let prevTid0Pic be the previous picture in decoding order that has TemporalId equal to 0 and that is not a RASL picture, a RADL picture, or a sub-layer non-reference picture.

The relevant line in the reference decoder is in TComSlice.h:

Void setPOC( Int i ) { m_iPOC = i; if(getTLayer()==0) m_prevPOC=i; }

This misses out the RASL, RASL or sub-layer non-reference condition. I think this should be changed to:

Void setPOC( Int i ) { m_iPOC = i; if(getTLayer()==0 && !isRASL() && !isRADL() && !isNonReference()) m_prevPOC=i; }
Bool isRASL() const { return (getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N) || (getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_R); }  
Bool isRADL() const { return (getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N) || (getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_R); }  
Bool isNonReference() const { return 
                                     (getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N) ||
                                     (getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N) ||
                                     (getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N) ||
                                     (getNalUnitType() == NAL_UNIT_CODED_SLICE_TRAIL_N) ||
                                     (getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N)
                          ; }