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-rw-r--r--src/test/ui/generic-associated-types/projection-type-lifetime-mismatch.rs35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/projection-type-lifetime-mismatch.rs b/src/test/ui/generic-associated-types/projection-type-lifetime-mismatch.rs
new file mode 100644
index 000000000..a40c0c2c4
--- /dev/null
+++ b/src/test/ui/generic-associated-types/projection-type-lifetime-mismatch.rs
@@ -0,0 +1,35 @@
+#![feature(generic_associated_types)]
+
+pub trait X {
+ type Y<'a> where Self: 'a;
+ fn m(&self) -> Self::Y<'_>;
+}
+
+impl X for () {
+ type Y<'a> = &'a ();
+
+ fn m(&self) -> Self::Y<'_> {
+ self
+ }
+}
+
+fn f(x: &impl for<'a> X<Y<'a> = &'a ()>) -> &'static () {
+ x.m()
+ //~^ ERROR lifetime may not live long enough
+}
+
+fn g<T: for<'a> X<Y<'a> = &'a ()>>(x: &T) -> &'static () {
+ x.m()
+ //~^ ERROR lifetime may not live long enough
+}
+
+fn h(x: &()) -> &'static () {
+ x.m()
+ //~^ ERROR lifetime may not live long enough
+}
+
+fn main() {
+ f(&());
+ g(&());
+ h(&());
+}