src/java.desktop/unix/native/common/java2d/x11/X11PMBlitLoops.c

@@ -58,11 +58,11 @@
     }
     if (Region_GetInfo(env, clip, &clipInfo)) {
         return;
     }
 
-    xgc = (GC)gc;
+    xgc = (GC)jlong_to_ptr(gc);
     if (xgc == NULL) {
         return;
     }
 
 #ifdef MITSHM

@@ -149,11 +149,11 @@
     dstXsdo = (X11SDOps *)jlong_to_ptr(dstData);
     if (dstXsdo == NULL) {
         return;
     }
 
-    dstGC = (GC)xgc;
+    dstGC = (GC)jlong_to_ptr(xgc);
     if (dstGC == NULL) {
         return;
     }
 
 #ifdef MITSHM