diff a/src/hotspot/share/compiler/oopMap.cpp b/src/hotspot/share/compiler/oopMap.cpp
--- a/src/hotspot/share/compiler/oopMap.cpp
+++ b/src/hotspot/share/compiler/oopMap.cpp
@@ -730,11 +730,11 @@
 
 ImmutableOopMapSet* ImmutableOopMapBuilder::build() {
   _required = heap_size();
 
   // We need to allocate a chunk big enough to hold the ImmutableOopMapSet and all of its ImmutableOopMaps
-  address buffer = (address) NEW_C_HEAP_ARRAY(unsigned char, _required, mtCode);
+  address buffer = NEW_C_HEAP_ARRAY(unsigned char, _required, mtCode);
   return generate_into(buffer);
 }
 
 ImmutableOopMapSet* ImmutableOopMapSet::build_from(const OopMapSet* oopmap_set) {
   ResourceMark mark;