--- /dev/null Thu Jan 01 00:00:00 1970 +0000+++ b/gcc/testsuite/g++.dg/warn/Wdiv-by-zero.C Fri Oct 27 22:46:09 2017 +0900@@ -0,0 +1,7 @@+// test that division by zero warnings are enabled by default+int breakme()+{+ int x = 0;+ x /= 0; // { dg-warning "division by" }+ return x;+}