src/hotspot/share/oops/markWord.hpp

rev 57595 : v2.09a with 8235795, 8235931 and 8236035 extracted; rebased to jdk-14+28; merge with 8236035.patch.cr1; merge with 8235795.patch.cr1; merge with 8236035.patch.cr2; merge with 8235795.patch.cr2; merge with 8235795.patch.cr3.

@@ -214,10 +214,14 @@
     return (mask_bits(value(), lock_mask_in_place) != unlocked_value);
   }
   bool is_unlocked() const {
     return (mask_bits(value(), biased_lock_mask_in_place) == unlocked_value);
   }
+  // ObjectMonitor::install_displaced_markword_in_object() uses
+  // is_marked() on ObjectMonitor::_header as part of the restoration
+  // protocol for an object's header. In this usage, the mark bits are
+  // only ever set (and cleared) on the ObjectMonitor::_header field.
   bool is_marked()   const {
     return (mask_bits(value(), lock_mask_in_place) == marked_value);
   }
   bool is_neutral()  const { return (mask_bits(value(), biased_lock_mask_in_place) == unlocked_value); }