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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/nll/user-annotations/normalization.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/nll/user-annotations/normalization.rs')
-rw-r--r--tests/ui/nll/user-annotations/normalization.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/nll/user-annotations/normalization.rs b/tests/ui/nll/user-annotations/normalization.rs
new file mode 100644
index 000000000..c2e892f57
--- /dev/null
+++ b/tests/ui/nll/user-annotations/normalization.rs
@@ -0,0 +1,17 @@
+// Test that we enforce a `&'static` requirement that is only visible
+// after normalization.
+
+trait Foo { type Out; }
+impl Foo for () { type Out = &'static u32; }
+impl<'a> Foo for &'a () { type Out = &'a u32; }
+
+fn main() {
+ let a = 22;
+ let _: <() as Foo>::Out = &a; //~ ERROR
+
+ let a = 22;
+ let _: <&'static () as Foo>::Out = &a; //~ ERROR
+
+ let a = 22;
+ let _: <&'_ () as Foo>::Out = &a;
+}