gcc/testsuite/gcc.dg/multiple-overflow-warn-1.c

   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