mirror of https://github.com/rust-lang/rust.git
22 lines
533 B
Rust
22 lines
533 B
Rust
//@ compile-flags: -Copt-level=1
|
|
|
|
// References returned by a Frozen pointer type
|
|
// could be marked as "noalias", which caused miscompilation errors.
|
|
// This test runs the most minimal possible code that can reproduce this bug,
|
|
// and checks that noalias does not appear.
|
|
// See https://github.com/rust-lang/rust/issues/46239
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
fn project<T>(x: &(T,)) -> &T { &x.0 }
|
|
|
|
fn dummy() {}
|
|
|
|
// CHECK-LABEL: @foo(
|
|
// CHECK-NOT: noalias
|
|
#[no_mangle]
|
|
pub fn foo() {
|
|
let f = (dummy as fn(),);
|
|
(*project(&f))();
|
|
}
|