--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/noreturn-6.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,4 @@ +/* { dg-do compile } */ +/* Check for volatile behavior. */ +extern int xxx (void); +volatile extern int xxx (void); /* { dg-error "not compatible" } */