Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.rs b/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.rs
new file mode 100644
index 000000000..8b491ee4e
--- /dev/null
+++ b/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.rs
@@ -0,0 +1,39 @@
+// Various examples of structs whose fields are not well-formed.
+
+#![allow(dead_code)]
+
+trait Dummy<'a> {
+    type Out;
+}
+impl<'a, T> Dummy<'a> for T
+where
+    T: 'a,
+{
+    type Out = ();
+}
+type RequireOutlives<'a, T> = <T as Dummy<'a>>::Out;
+
+enum Ref1<'a, T> {
+    Ref1Variant1(RequireOutlives<'a, T>), //~ ERROR the parameter type `T` may not live long enough
+}
+
+enum Ref2<'a, T> {
+    Ref2Variant1,
+    Ref2Variant2(isize, RequireOutlives<'a, T>), //~ ERROR the parameter type `T` may not live long enough
+}
+
+enum RefOk<'a, T: 'a> {
+    RefOkVariant1(&'a T),
+}
+
+// This is now well formed. RFC 2093
+enum RefIndirect<'a, T> {
+    RefIndirectVariant1(isize, RefOk<'a, T>),
+}
+
+enum RefDouble<'a, 'b, T> {
+    RefDoubleVariant1(&'a RequireOutlives<'b, T>),
+    //~^ the parameter type `T` may not live long enough [E0309]
+}
+
+fn main() {}