1 /* { dg-do compile } */
2 /* { dg-options "-fstrict-overflow -O2" } */
3 /* { dg-message "warnings being treated as errors" "" {target "*-*-*"} 0 } */
4 #pragma GCC diagnostic error "-Wstrict-overflow"
5 
6 int
foo(int i)7 foo (int i)
8 {
9   return __builtin_abs (i) >= 0; /* { dg-error "assuming signed overflow does not occur" "correct warning" } */
10 }
11