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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:29 +0000 |
commit | 631cd5845e8de329d0e227aaa707d7ea228b8f8f (patch) | |
tree | a1b87c8f8cad01cf18f7c5f57a08f102771ed303 /tests/ui/methods/inherent-bound-in-probe.rs | |
parent | Adding debian version 1.69.0+dfsg1-1. (diff) | |
download | rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.tar.xz rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.zip |
Merging upstream version 1.70.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/methods/inherent-bound-in-probe.rs')
-rw-r--r-- | tests/ui/methods/inherent-bound-in-probe.rs | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/tests/ui/methods/inherent-bound-in-probe.rs b/tests/ui/methods/inherent-bound-in-probe.rs new file mode 100644 index 000000000..81a99ca01 --- /dev/null +++ b/tests/ui/methods/inherent-bound-in-probe.rs @@ -0,0 +1,49 @@ +// normalize-stderr-test: "long-type-\d+" -> "long-type-hash" + +// Fixes #110131 +// +// The issue is that we were constructing an `ImplDerived` cause code for the +// `&'a T: IntoIterator<Item = &'a u8>` obligation for `Helper::new`, which is +// incorrect because derived obligations are only expected to come from *traits*. + +struct SeqBuffer<'a, T> +where + &'a T: IntoIterator<Item = &'a u8>, +{ + iter: <&'a T as IntoIterator>::IntoIter, +} + +struct Helper<'a, T> +where + &'a T: IntoIterator<Item = &'a u8>, +{ + buf: SeqBuffer<'a, T>, +} + +impl<'a, T> Helper<'a, T> +where + &'a T: IntoIterator<Item = &'a u8>, +{ + fn new(sq: &'a T) -> Self { + loop {} + } +} + +struct BitReaderWrapper<T>(T); + +impl<'a, T> IntoIterator for &'a BitReaderWrapper<T> +where + &'a T: IntoIterator<Item = &'a u8>, +{ + type Item = u32; + + type IntoIter = Helper<'a, T>; + //~^ ERROR `Helper<'a, T>` is not an iterator + + fn into_iter(self) -> Self::IntoIter { + Helper::new(&self.0) + //~^ ERROR overflow evaluating the requirement `&_: IntoIterator` + } +} + +fn main() {} |