src/java.desktop/windows/native/libawt/windows/awt_List.cpp

@@ -821,13 +821,13 @@
 {
     TRY;
 
     jobject selfGlobalRef = env->NewGlobalRef(self);
 
-    return (jint)AwtToolkit::GetInstance().SyncCall(
+    return (jint)((intptr_t)AwtToolkit::GetInstance().SyncCall(
         (void *(*)(void *))AwtList::_GetMaxWidth,
-        (void *)selfGlobalRef);
+        (void *)selfGlobalRef));
     // selfGlobalRef is deleted in _GetMaxWidth
 
     CATCH_BAD_ALLOC_RET(0);
 }
 

@@ -1009,12 +1009,12 @@
 
     SelectElementStruct *ses = new SelectElementStruct;
     ses->list = env->NewGlobalRef(self);
     ses->index = index;
 
-    return (jboolean)AwtToolkit::GetInstance().SyncCall(
-        (void *(*)(void *))AwtList::_IsSelected, ses);
+    return (jboolean)((intptr_t)AwtToolkit::GetInstance().SyncCall(
+        (void *(*)(void *))AwtList::_IsSelected, ses));
     // global ref and ses are deleted in _IsSelected
 
     CATCH_BAD_ALLOC_RET(FALSE);
 }