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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/nll/type-alias-free-regions.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/nll/type-alias-free-regions.rs')
-rw-r--r-- | tests/ui/nll/type-alias-free-regions.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/nll/type-alias-free-regions.rs b/tests/ui/nll/type-alias-free-regions.rs new file mode 100644 index 000000000..fd5566f35 --- /dev/null +++ b/tests/ui/nll/type-alias-free-regions.rs @@ -0,0 +1,31 @@ +// Test that we don't assume that type aliases have the same type parameters +// as the type they alias and then panic when we see this. + +type A<'a> = &'a isize; +type B<'a> = Box<A<'a>>; + +struct C<'a> { + f: Box<B<'a>> +} + +trait FromBox<'a> { + fn from_box(b: Box<B>) -> Self; +} + +impl<'a> FromBox<'a> for C<'a> { + fn from_box(b: Box<B>) -> Self { + C { f: b } //~ ERROR + } +} + +trait FromTuple<'a> { + fn from_tuple( b: (B,)) -> Self; +} + +impl<'a> FromTuple<'a> for C<'a> { + fn from_tuple(b: (B,)) -> Self { + C { f: Box::new(b.0) } //~ ERROR + } +} + +fn main() {} |