--- gcc-4.7.1/libgo/runtime/print.c
+++ gcc-4.7.1/libgo/runtime/print.c
@@ -17,7 +17,8 @@
 	G* g = runtime_g();
 
 	if(g == nil || g->writebuf == nil) {
-		runtime_write(2, v, n);
+		ssize_t bytesWritten = runtime_write(2, v, n);
+		(void)bytesWritten;
 		return;
 	}