src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/extended/RawStoreNode.java

*** 81,90 ****
--- 81,93 ----
                      @ConstantNodeParameter boolean needsBarrier);
  
      @NodeIntrinsic
      public static native Object storeChar(Object object, long offset, char value, @ConstantNodeParameter JavaKind kind, @ConstantNodeParameter LocationIdentity locationIdentity);
  
+     @NodeIntrinsic
+     public static native Object storeByte(Object object, long offset, byte value, @ConstantNodeParameter JavaKind kind, @ConstantNodeParameter LocationIdentity locationIdentity);
+ 
      public boolean needsBarrier() {
          return needsBarrier;
      }
  
      @Override