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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/consts/unstable-const-fn-in-libcore.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/consts/unstable-const-fn-in-libcore.rs')
-rw-r--r-- | src/test/ui/consts/unstable-const-fn-in-libcore.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/consts/unstable-const-fn-in-libcore.rs b/src/test/ui/consts/unstable-const-fn-in-libcore.rs new file mode 100644 index 000000000..16b36c8d5 --- /dev/null +++ b/src/test/ui/consts/unstable-const-fn-in-libcore.rs @@ -0,0 +1,27 @@ +// This is a non-regression test for const-qualification of unstable items in libcore +// as explained in issue #67053. +// const-qualification could miss some `const fn`s if they were unstable and the feature +// gate was not enabled in libcore. + +#![stable(feature = "core", since = "1.6.0")] +#![feature(staged_api)] + +enum Opt<T> { + Some(T), + None, +} + +impl<T> Opt<T> { + #[rustc_const_unstable(feature = "foo", issue = "none")] + #[stable(feature = "rust1", since = "1.0.0")] + const fn unwrap_or_else<F: FnOnce() -> T>(self, f: F) -> T { + //~^ ERROR destructors cannot be evaluated at compile-time + //~| ERROR destructors cannot be evaluated at compile-time + match self { + Opt::Some(t) => t, + Opt::None => f(), //~ ERROR E0015 + } + } +} + +fn main() {} |