| //@ 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))(); |
| } |
