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 
       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 *-*-* } .-1 } */
      12  }
      13