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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
commita4b7ed7a42c716ab9f05e351f003d589124fd55d (patch)
treeb620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/issues/issue-50518.rs
parentAdding upstream version 1.67.1+dfsg1. (diff)
downloadrustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz
rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/issues/issue-50518.rs')
-rw-r--r--tests/ui/issues/issue-50518.rs40
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-50518.rs b/tests/ui/issues/issue-50518.rs
new file mode 100644
index 000000000..1e7b77949
--- /dev/null
+++ b/tests/ui/issues/issue-50518.rs
@@ -0,0 +1,40 @@
+// check-pass
+use std::marker::PhantomData;
+
+struct Meta<A> {
+ value: i32,
+ type_: PhantomData<A>
+}
+
+trait MetaTrait {
+ fn get_value(&self) -> i32;
+}
+
+impl<A> MetaTrait for Meta<A> {
+ fn get_value(&self) -> i32 { self.value }
+}
+
+trait Bar {
+ fn get_const(&self) -> &dyn MetaTrait;
+}
+
+struct Foo<A> {
+ _value: A
+}
+
+impl<A: 'static> Foo<A> {
+ const CONST: &'static dyn MetaTrait = &Meta::<Self> {
+ value: 10,
+ type_: PhantomData
+ };
+}
+
+impl<A: 'static> Bar for Foo<A> {
+ fn get_const(&self) -> &dyn MetaTrait { Self::CONST }
+}
+
+fn main() {
+ let foo = Foo::<i32> { _value: 10 };
+ let bar: &dyn Bar = &foo;
+ println!("const {}", bar.get_const().get_value());
+}