1 /* PR c/19978 : Test for duplicated warnings (unary operators).  */
2 /* { dg-do compile } */
3 /* { dg-options "-std=c99 -Woverflow" } */
4 
5 #include <limits.h>
6 
7 int
g(void)8 g (void)
9 {
10   return - - - - -INT_MIN; /* { dg-bogus "integer overflow in expression.*integer overflow in expression" } */
11   /* { dg-warning "integer overflow in expression" "" { target *-*-* } 10 } */
12 }
13 
14