Rollup merge of #73783 - estebank:impl-dyn-trait-static-lifetime, r=nikomatsakis

Detect when `'static` obligation might come from an `impl`

Partly address #71341.

src/test/ui/issues/issue-16922.rs

@@ -1,8 +1,7 @@
 use std::any::Any;
 
 fn foo<T: Any>(value: &T) -> Box<dyn Any> {
-    Box::new(value) as Box<dyn Any>
-    //~^ ERROR cannot infer an appropriate lifetime
+    Box::new(value) as Box<dyn Any> //~ ERROR E0759
 }
 
 fn main() {

src/test/ui/issues/issue-16922.stderr

@@ -1,4 +1,4 @@
-error[E0759]: cannot infer an appropriate lifetime
+error[E0759]: `value` has an anonymous lifetime `'_` but it needs to satisfy a `'static` lifetime requirement
   --> $DIR/issue-16922.rs:4:14
    |
 LL | fn foo<T: Any>(value: &T) -> Box<dyn Any> {