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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/consts/const-eval/issue-44578.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/consts/const-eval/issue-44578.rs')
-rw-r--r-- | tests/ui/consts/const-eval/issue-44578.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/consts/const-eval/issue-44578.rs b/tests/ui/consts/const-eval/issue-44578.rs new file mode 100644 index 000000000..e4dcc6230 --- /dev/null +++ b/tests/ui/consts/const-eval/issue-44578.rs @@ -0,0 +1,27 @@ +// build-fail + +trait Foo { + const AMT: usize; +} + +enum Bar<A, B> { + First(A), + Second(B), +} + +impl<A: Foo, B: Foo> Foo for Bar<A, B> { + const AMT: usize = [A::AMT][(A::AMT > B::AMT) as usize]; //~ERROR evaluation of `<Bar<u16, u8> as Foo>::AMT` failed +} + +impl Foo for u8 { + const AMT: usize = 1; +} + +impl Foo for u16 { + const AMT: usize = 2; +} + +fn main() { + println!("{}", <Bar<u16, u8> as Foo>::AMT); + //~^ constant +} |