src/share/vm/jfr/leakprofiler/chains/bitset.hpp

rev 9055 : 8214542: JFR: Old Object Sample event slow on a deep heap in debug builds
Reviewed-by: egahlin, rwestberg

@@ -45,11 +45,11 @@
 
   bool initialize();
 
   BitMap::idx_t mark_obj(const HeapWord* addr) {
     const BitMap::idx_t bit = addr_to_bit(addr);
-    _bits.par_set_bit(bit);
+    _bits.set_bit(bit);
     return bit;
   }
 
   BitMap::idx_t mark_obj(oop obj) {
     return mark_obj((HeapWord*)obj);