// { dg-shouldfail "i8 overflow" } // { dg-options "-fdump-tree-original" } fn five() -> i8 { 5 } extern "C" { fn printf(fmt: *const i8, ...); } fn main() { let a = 127i8; let b = five(); // { dg-final { scan-tree-dump ADD_OVERFLOW original } } let c = a + b; unsafe { printf("%d\n\0" as *const str as *const i8, c as i32) } }