Muon decoding bug fix

Muon/MuonDAQ/src/components/MuonRawInUpgradeToHits.cpp

@@ -67,7 +67,7 @@ namespace LHCb::MuonUpgrade::DAQ {
       // need to calculate the shape of the horizontal and vertical logical strips
 
       // used flags
-      assert( std::distance( first, last ) < 500 );
+
       std::bitset<500> used; // (to be updated with new readout) the maximum # of channels per quadrant is currently 384
                              // (from M2R2) the pads readout region have been ignored otherwise larger number is
                              // possible
@@ -89,6 +89,7 @@ namespace LHCb::MuonUpgrade::DAQ {
       Iterator mid;
 
       if ( !alreadyPads ) {
+        assert( std::distance( first, last ) < 500 );
         mid = std::partition( first, last, []( const Digit& digit ) { return digit.tile.isHorizontal(); } );
       } else {
         // if already a pad region skip the crossing