diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/borrowck/issue-47215-ice-from-drop-elab.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/borrowck/issue-47215-ice-from-drop-elab.rs')
-rw-r--r-- | src/test/ui/borrowck/issue-47215-ice-from-drop-elab.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/issue-47215-ice-from-drop-elab.rs b/src/test/ui/borrowck/issue-47215-ice-from-drop-elab.rs new file mode 100644 index 000000000..e95a6b7c8 --- /dev/null +++ b/src/test/ui/borrowck/issue-47215-ice-from-drop-elab.rs @@ -0,0 +1,20 @@ +// rust-lang/rust#47215: at one time, the compiler categorized +// thread-local statics as a temporary rvalue, as a way to enforce +// that they are only valid for a given lifetime. +// +// The problem with this is that you cannot move out of static items, +// but you *can* move temporary rvalues. I.e., the categorization +// above only solves half of the problem presented by thread-local +// statics. + +#![feature(thread_local)] + +#[thread_local] +static mut X: ::std::sync::atomic::AtomicUsize = ::std::sync::atomic::AtomicUsize::new(0); + +fn main() { + unsafe { + let mut x = X; //~ ERROR cannot move out of static item `X` [E0507] + let _y = x.get_mut(); + } +} |