File fix-build-with-gcc15.patch of Package java-21-openj9

--- jdk/omr/compiler/control/OMROptions.hpp	2025-06-17 09:54:56.357954869 +0200
+++ jdk/omr/compiler/control/OMROptions.hpp	2025-06-17 09:55:55.158986393 +0200
@@ -2080,7 +2080,7 @@
 
       public:
       OptionFlagArray(){ memset(_words, 0, sizeof(_words)); }
-      void operator=(const OptionFlagArray &other){ memcpy(_words, other.words, sizeof(_words)); }
+      void operator=(const OptionFlagArray &other){ memcpy(_words, other._words, sizeof(_words)); }
 
       bool isEmpty()
          {