From ae42e537dbfabafb1f1e36d975b1fed33032c6c1 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Wed, 19 Sep 2018 17:53:12 -0300 Subject: [PATCH] Add regression test for thread local static mut borrows --- ...ead-local-static-mut-borrow-outlives-fn.rs | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/test/ui/nll/borrowck-thread-local-static-mut-borrow-outlives-fn.rs diff --git a/src/test/ui/nll/borrowck-thread-local-static-mut-borrow-outlives-fn.rs b/src/test/ui/nll/borrowck-thread-local-static-mut-borrow-outlives-fn.rs new file mode 100644 index 0000000000000..e35c8095fa15d --- /dev/null +++ b/src/test/ui/nll/borrowck-thread-local-static-mut-borrow-outlives-fn.rs @@ -0,0 +1,35 @@ +// Copyright 2016 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. +// +// run-pass +// +// FIXME(#54366) - We probably shouldn't allow #[thread_local] static mut to get a 'static lifetime. + +#![feature(nll)] +#![feature(thread_local)] + +#[thread_local] +static mut X1: u64 = 0; + +struct S1 { + a: &'static mut u64, +} + +impl S1 { + fn new(_x: u64) -> S1 { + S1 { + a: unsafe { &mut X1 }, + } + } +} + +fn main() { + S1::new(0).a; +}