--- ray/src/util/rttree_reduce.c	2016/03/10 16:25:05	2.14
+++ ray/src/util/rttree_reduce.c	2016/03/10 23:18:59	2.15
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: rttree_reduce.c,v 2.14 2016/03/10 16:25:05 greg Exp $";
+static const char RCSid[] = "$Id: rttree_reduce.c,v 2.15 2016/03/10 23:18:59 schorsch Exp $";
 #endif
 /*
  *  A utility called by genBSDF.pl to reduce tensor tree samples and output
@@ -276,8 +276,7 @@ load_data(void)
 		error(COMMAND, "unsupported input format");
 		break;
 	}
-	/* XXX VC warns about 32 bit shift coerced to 64 bit */
-	datarr = (float *)calloc(1<<(log2g*ttrank), sizeof(float));
+	datarr = (float *)calloc((size_t)1<<(log2g*ttrank), sizeof(float));
 	if (datarr == NULL)
 		error(SYSTEM, "out of memory in load_data");
 	if (ttrank == 3) {