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-rw-r--r--src/test/ui/span/regions-close-over-type-parameter-2.rs27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/span/regions-close-over-type-parameter-2.rs b/src/test/ui/span/regions-close-over-type-parameter-2.rs
new file mode 100644
index 000000000..aca3972cb
--- /dev/null
+++ b/src/test/ui/span/regions-close-over-type-parameter-2.rs
@@ -0,0 +1,27 @@
+// Test for what happens when a type parameter `A` is closed over into
+// an object. This should yield errors unless `A` (and the object)
+// both have suitable bounds.
+
+trait Foo { fn get(&self); }
+
+impl<A> Foo for A {
+ fn get(&self) {
+ }
+}
+
+fn repeater3<'a,A:'a>(v: A) -> Box<dyn Foo + 'a> {
+ Box::new(v) as Box<dyn Foo+'a>
+}
+
+fn main() {
+
+ // Error results because the type of is inferred to be
+ // ~Repeat<&'blk isize> where blk is the lifetime of the block below.
+
+ let _ = {
+ let tmp0 = 3;
+ let tmp1 = &tmp0;
+ repeater3(tmp1)
+ };
+ //~^^^ ERROR `tmp0` does not live long enough
+}