src/share/vm/memory/blockOffsetTable.cpp

rev 7793 : 8073315: Enable gcc -Wtype-limits and fix upcoming issues.
Summary: Relevant fixes in blockOffsetTable.cpp, os_linux.cpp, parCardTableModRefBS.cpp.

@@ -790,8 +790,8 @@
   size_t bottom_index = _array->index_for(_bottom);
   _array->set_offset_array(bottom_index, 0);
 }
 
 size_t BlockOffsetArrayContigSpace::last_active_index() const {
-  size_t result = _next_offset_index - 1;
-  return result >= 0 ? result : 0;
+  size_t next = _next_offset_index;
+  return next == 0 ? 0 : next - 1;
 }