// This test case checks that slice::{r}position functions do not // prevent optimizing away bounds checks // compile-flags: -O #![crate_type="rlib"] // CHECK-LABEL: @test #[no_mangle] pub fn test(y: &[u32], x: &u32, z: &u32) -> bool { let result = match y.iter().position(|a| a == x) { Some(p) => Ok(p), None => Err(()), }; if let Ok(p) = result { // CHECK-NOT: panic y[p] == *z } else { false } } // CHECK-LABEL: @rtest #[no_mangle] pub fn rtest(y: &[u32], x: &u32, z: &u32) -> bool { let result = match y.iter().rposition(|a| a == x) { Some(p) => Ok(p), None => Err(()), }; if let Ok(p) = result { // CHECK-NOT: panic y[p] == *z } else { false } }