jdk/src/java.base/share/classes/java/lang/Class.java

*** 78,87 ****
--- 78,89 ----
  import sun.reflect.generics.repository.ConstructorRepository;
  import sun.reflect.generics.scope.ClassScope;
  import sun.security.util.SecurityConstants;
  import sun.reflect.annotation.*;
  import sun.reflect.misc.ReflectUtil;
+ import valhalla.shady.MinimalValueTypes_1_0;
+ 
  import static valhalla.shady.MinimalValueTypes_1_0.ACC_VALUE;
  
  /**
   * Instances of the class {@code Class} represent classes and
   * interfaces in a running Java application.  An enum is a kind of
*** 461,477 ****
  
          return c != null && !c.isValueClass() ? c : null;
      }
  
      boolean isValueClass() {
          Class<?> c = this;
          while (c.isArray()) {
              c = c.getComponentType();
          }
  
          // For now, check if it is a subtype of __Value
!         return __Value.class.isAssignableFrom(c) && c != __Value.class;
      }
  
      private void ensureNotValueClass() {
          // temporary workaround until compiler/valhalla/valuetypes/ValueTypeBenchTest.java
          // is updated to do reflection on VCC instead of VVT declared with __ByValue
--- 463,484 ----
  
          return c != null && !c.isValueClass() ? c : null;
      }
  
      boolean isValueClass() {
+         // ensure that system properties have been initialized.
+         if (VM.initLevel() < 1)
+             return false;
+ 
          Class<?> c = this;
          while (c.isArray()) {
              c = c.getComponentType();
          }
  
          // For now, check if it is a subtype of __Value
!         Class<?> valueBaseClass = MinimalValueTypes_1_0.getValueClass();
!         return valueBaseClass != null && c != valueBaseClass && valueBaseClass.isAssignableFrom(c);
      }
  
      private void ensureNotValueClass() {
          // temporary workaround until compiler/valhalla/valuetypes/ValueTypeBenchTest.java
          // is updated to do reflection on VCC instead of VVT declared with __ByValue