src/share/vm/opto/ifg.cpp

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@@ -69,11 +69,11 @@
 // Add an edge between 'a' and everything in the vector.
 void PhaseIFG::add_vector( uint a, IndexSet *vec ) {
   // IFG is triangular, so do the inserts where 'a' < 'b'.
   assert( !_is_square, "only on triangular" );
   IndexSet *adjs_a = &_adjs[a];
-  if( !vec->count() ) return;
+  if( vec->is_empty() ) return;
 
   IndexSetIterator elements(vec);
   uint neighbor;
   while ((neighbor = elements.next()) != 0) {
     add_edge( a, neighbor );