8252933: com.sun.tools.jdi.ObjectReferenceImpl#validateAssignment always requests referenceType

Reviewed-by: cjplummer, amenkov

Author: Daniil Titov

src/jdk.jdi/share/classes/com/sun/tools/jdi/ObjectReferenceImpl.java

@@ -586,12 +586,14 @@ void validateAssignment(ValueContainer destination)
          */
 
         JNITypeParser destSig = new JNITypeParser(destination.signature());
-        JNITypeParser sourceSig = new JNITypeParser(type().signature());
         if (destSig.isPrimitive()) {
             throw new InvalidTypeException("Can't assign object value to primitive");
         }
-        if (destSig.isArray() && !sourceSig.isArray()) {
-            throw new InvalidTypeException("Can't assign non-array value to an array");
+        if (destSig.isArray()) {
+            JNITypeParser sourceSig = new JNITypeParser(type().signature());
+            if (!sourceSig.isArray()) {
+                throw new InvalidTypeException("Can't assign non-array value to an array");
+            }
         }
         if (destSig.isVoid()) {
             throw new InvalidTypeException("Can't assign object value to a void");