// optimized compilation and unoptimized compilation and thus would
// lead to different lints being emitted
+// revisions: noopt opt opt_with_overflow_checks
+//[noopt]compile-flags: -C opt-level=0
+//[opt]compile-flags: -O
+//[opt_with_overflow_checks]compile-flags: -C overflow-checks=on -O
+
// build-fail
-// compile-flags: -O
#![feature(rustc_attrs)]
-#![allow(exceeding_bitshifts)]
-
-#![deny(const_err)]
fn black_box<T>(_: T) {
unimplemented!()
}
fn main() {
- let a = -std::i8::MIN;
- //~^ ERROR const_err
- let a_i128 = -std::i128::MIN;
- //~^ ERROR const_err
+ let a = -i8::MIN;
+ //~^ ERROR arithmetic operation will overflow
+ let a_i128 = -i128::MIN;
+ //~^ ERROR arithmetic operation will overflow
let b = 200u8 + 200u8 + 200u8;
- //~^ ERROR const_err
- let b_i128 = std::i128::MIN - std::i128::MAX;
- //~^ ERROR const_err
+ //~^ ERROR arithmetic operation will overflow
+ let b_i128 = i128::MIN - i128::MAX;
+ //~^ ERROR arithmetic operation will overflow
let c = 200u8 * 4;
- //~^ ERROR const_err
+ //~^ ERROR arithmetic operation will overflow
let d = 42u8 - (42u8 + 1);
- //~^ ERROR const_err
+ //~^ ERROR arithmetic operation will overflow
let _e = [5u8][1];
- //~^ ERROR const_err
+ //~^ ERROR operation will panic
black_box(a);
black_box(a_i128);
black_box(b);