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src/hotspot/share/gc/g1/g1BlockOffsetTable.inline.hpp

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rev 55196 : 8225716: G1 GC: Undefined behaviour in G1BlockOffsetTablePart::block_at_or_preceding
Reviewed-by: duke

@@ -49,11 +49,11 @@
   }
 }
 
 u_char G1BlockOffsetTable::offset_array(size_t index) const {
   check_index(index, "index out of range");
-  return _offset_array[index];
+  return Atomic::load(&_offset_array[index]);
 }
 
 void G1BlockOffsetTable::set_offset_array(size_t index, u_char offset) {
   check_index(index, "index out of range");
   set_offset_array_raw(index, offset);
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