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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/pattern/usefulness/issue-31221.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/pattern/usefulness/issue-31221.rs')
-rw-r--r-- | src/test/ui/pattern/usefulness/issue-31221.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/test/ui/pattern/usefulness/issue-31221.rs b/src/test/ui/pattern/usefulness/issue-31221.rs new file mode 100644 index 000000000..e03f1ec5b --- /dev/null +++ b/src/test/ui/pattern/usefulness/issue-31221.rs @@ -0,0 +1,34 @@ +#![allow(dead_code)] +#![allow(unused_variables)] +#![allow(non_snake_case)] +#![deny(unreachable_patterns)] + +#[derive(Clone, Copy)] +enum Enum { + Var1, + Var2, +} + +fn main() { + use Enum::*; + let s = Var1; + match s { + Var1 => (), + Var3 => (), + Var2 => (), + //~^ ERROR unreachable pattern + }; + match &s { + &Var1 => (), + &Var3 => (), + &Var2 => (), + //~^ ERROR unreachable pattern + }; + let t = (Var1, Var1); + match t { + (Var1, b) => (), + (c, d) => (), + anything => () + //~^ ERROR unreachable pattern + }; +} |