src/java.base/share/classes/jdk/internal/reflect/UnsafeQualifiedStaticObjectFieldAccessorImpl.java

*** 33,43 ****
      UnsafeQualifiedStaticObjectFieldAccessorImpl(Field field, boolean isReadOnly) {
          super(field, isReadOnly);
      }
  
      public Object get(Object obj) throws IllegalArgumentException {
!         return unsafe.getReferenceVolatile(base, fieldOffset);
      }
  
      public boolean getBoolean(Object obj) throws IllegalArgumentException {
          throw newGetBooleanIllegalArgumentException();
      }
--- 33,44 ----
      UnsafeQualifiedStaticObjectFieldAccessorImpl(Field field, boolean isReadOnly) {
          super(field, isReadOnly);
      }
  
      public Object get(Object obj) throws IllegalArgumentException {
!         return isFlattened() ? unsafe.getValue(obj, fieldOffset, field.getType())
!                              : unsafe.getReferenceVolatile(base, fieldOffset);
      }
  
      public boolean getBoolean(Object obj) throws IllegalArgumentException {
          throw newGetBooleanIllegalArgumentException();
      }
*** 74,89 ****
          throws IllegalArgumentException, IllegalAccessException
      {
          if (isReadOnly) {
              throwFinalFieldIllegalAccessException(value);
          }
!         if (value != null) {
!             if (!field.getType().isAssignableFrom(value.getClass())) {
!                 throwSetIllegalArgumentException(value);
!             }
!         }
          unsafe.putReferenceVolatile(base, fieldOffset, value);
      }
  
      public void setBoolean(Object obj, boolean z)
          throws IllegalArgumentException, IllegalAccessException
      {
--- 75,90 ----
          throws IllegalArgumentException, IllegalAccessException
      {
          if (isReadOnly) {
              throwFinalFieldIllegalAccessException(value);
          }
!         checkValue(value);
!         if (isFlattened()) {
!             unsafe.putValue(base, fieldOffset, field.getType(), value);
!         } else {
          unsafe.putReferenceVolatile(base, fieldOffset, value);
+         }
      }
  
      public void setBoolean(Object obj, boolean z)
          throws IllegalArgumentException, IllegalAccessException
      {