8338160: Fix -Wzero-as-null-pointer-constant warnings in management.cpp

Reviewed-by: dholmes

Author: Kim Barrett

src/hotspot/share/services/management.cpp

@@ -1820,24 +1820,24 @@ JVM_END
 // of a given length and return the objArrayOop
 static objArrayOop get_memory_usage_objArray(jobjectArray array, int length, TRAPS) {
   if (array == nullptr) {
-    THROW_(vmSymbols::java_lang_NullPointerException(), 0);
+    THROW_NULL(vmSymbols::java_lang_NullPointerException());
   }
 
   objArrayOop oa = objArrayOop(JNIHandles::resolve_non_null(array));
   objArrayHandle array_h(THREAD, oa);
 
   // array must be of the given length
   if (length != array_h->length()) {
-    THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(),
-               "The length of the given MemoryUsage array does not match the number of memory pools.", 0);
+    THROW_MSG_NULL(vmSymbols::java_lang_IllegalArgumentException(),
+                   "The length of the given MemoryUsage array does not match the number of memory pools.");
   }
 
   // check if the element of array is of type MemoryUsage class
   Klass* usage_klass = Management::java_lang_management_MemoryUsage_klass(CHECK_NULL);
   Klass* element_klass = ObjArrayKlass::cast(array_h->klass())->element_klass();
   if (element_klass != usage_klass) {
-    THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(),
-               "The element type is not MemoryUsage class", 0);
+    THROW_MSG_NULL(vmSymbols::java_lang_IllegalArgumentException(),
+                   "The element type is not MemoryUsage class");
   }
 
   return array_h();