re PR libgcj/4208 (Problem using 'null' with Java reflection)

	* java/lang/reflect/natField.cc (set): Allow for case when the
	value is null.  Fixes PR libgcj/4208.

From-SVN: r45367

libjava/ChangeLog

-2001-09-02  Tom Tromey  <tromey@redhat.com>
+2001-09-03  Tom Tromey  <tromey@redhat.com>
 
-	* java/security/spec/AlgorithmParameterSpec.java,
-	java/security/spec/KeySpec.java: Re-merged with Classpath.
+	* java/lang/reflect/natField.cc (set): Allow for case when the
+	value is null.  Fixes PR libgcj/4208.
 
 	* gcj/javaprims.h: Regenerated class list.
 	* java/lang/IllegalThreadStateException.java,

libjava/java/lang/reflect/natField.cc

@@ -418,9 +418,10 @@ java::lang::reflect::Field::setDouble (jclass caller, jobject obj, jdouble d)
 }
 
 void
-java::lang::reflect::Field::set (jclass caller, jobject object, jobject value, jclass type)
+java::lang::reflect::Field::set (jclass caller, jobject object, jobject value,
+				 jclass type)
 {
-  if (! _Jv_IsInstanceOf (value, type))
+  if (value != NULL && ! _Jv_IsInstanceOf (value, type))
     throw new java::lang::IllegalArgumentException;
   void* addr = getAddr (this, caller, object);
   * (jobject*) addr = value;