rust/src/test/codegen/issue-27130.rs
2020-08-28 01:16:20 +02:00

23 lines
462 B
Rust

// compile-flags: -O
// min-llvm-version: 11.0
#![crate_type = "lib"]
// CHECK-LABEL: @trim_in_place
#[no_mangle]
pub fn trim_in_place(a: &mut &[u8]) {
while a.first() == Some(&42) {
// CHECK-NOT: slice_index_order_fail
*a = &a[1..];
}
}
// CHECK-LABEL: @trim_in_place2
#[no_mangle]
pub fn trim_in_place2(a: &mut &[u8]) {
while let Some(&42) = a.first() {
// CHECK-NOT: slice_index_order_fail
*a = &a[2..];
}
}