diff options
Diffstat (limited to 'src/test/ui/compile-fail-migration/cleanup-rvalue-scopes-cf.rs')
| -rw-r--r-- | src/test/ui/compile-fail-migration/cleanup-rvalue-scopes-cf.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/test/ui/compile-fail-migration/cleanup-rvalue-scopes-cf.rs b/src/test/ui/compile-fail-migration/cleanup-rvalue-scopes-cf.rs new file mode 100644 index 00000000000..dcbb25ba5a9 --- /dev/null +++ b/src/test/ui/compile-fail-migration/cleanup-rvalue-scopes-cf.rs @@ -0,0 +1,43 @@ +// Copyright 2014 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 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// Test that the borrow checker prevents pointers to temporaries +// with statement lifetimes from escaping. + +use std::ops::Drop; + +static mut FLAGS: u64 = 0; + +struct Box<T> { f: T } +struct AddFlags { bits: u64 } + +fn AddFlags(bits: u64) -> AddFlags { + AddFlags { bits: bits } +} + +fn arg(x: &AddFlags) -> &AddFlags { + x +} + +impl AddFlags { + fn get(&self) -> &AddFlags { + self + } +} + +pub fn main() { + let _x = arg(&AddFlags(1)); //~ ERROR value does not live long enough + let _x = AddFlags(1).get(); //~ ERROR value does not live long enough + let _x = &*arg(&AddFlags(1)); //~ ERROR value does not live long enough + let ref _x = *arg(&AddFlags(1)); //~ ERROR value does not live long enough + let &ref _x = arg(&AddFlags(1)); //~ ERROR value does not live long enough + let _x = AddFlags(1).get(); //~ ERROR value does not live long enough + let Box { f: _x } = Box { f: AddFlags(1).get() }; //~ ERROR value does not live long enough +} |
