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