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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/uninhabited/privately-uninhabited-dead-code.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 '')
-rw-r--r-- | src/test/ui/uninhabited/privately-uninhabited-dead-code.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/uninhabited/privately-uninhabited-dead-code.rs b/src/test/ui/uninhabited/privately-uninhabited-dead-code.rs new file mode 100644 index 000000000..f476704cd --- /dev/null +++ b/src/test/ui/uninhabited/privately-uninhabited-dead-code.rs @@ -0,0 +1,20 @@ +// build-pass (FIXME(62277): could be check-pass?) + +#![deny(unused_variables)] + +mod foo { + enum Bar {} + + #[allow(dead_code)] + pub struct Foo { + value: Bar, // "privately" uninhabited + } + + pub fn give_foo() -> Foo { panic!() } +} + +fn main() { + let a = 42; + foo::give_foo(); + println!("Hello, {}", a); // ok: we can't tell that this code is dead +} |