Test with NLL explicitly

Author: JohnTitor

src/test/ui/regions/issue-78262.stderr src/test/ui/regions/issue-78262.default.stderr

@@ -1,13 +1,13 @@
 error[E0308]: mismatched types
-  --> $DIR/issue-78262.rs:8:28
+  --> $DIR/issue-78262.rs:12:28
    |
 LL |     let f = |x: &dyn TT| x.func();
    |                            ^^^^ lifetime mismatch
    |
    = note: expected reference `&(dyn TT + 'static)`
               found reference `&dyn TT`
-note: the anonymous lifetime #1 defined on the body at 8:13...
-  --> $DIR/issue-78262.rs:8:13
+note: the anonymous lifetime #1 defined on the body at 12:13...
+  --> $DIR/issue-78262.rs:12:13
    |
 LL |     let f = |x: &dyn TT| x.func();
    |             ^^^^^^^^^^^^^^^^^^^^^

src/test/ui/regions/issue-78262.nll.stderr

@@ -0,0 +1,10 @@
+error[E0521]: borrowed data escapes outside of closure
+  --> $DIR/issue-78262.rs:12:26
+   |
+LL |     let f = |x: &dyn TT| x.func();
+   |              -           ^^^^^^^^ `x` escapes the closure body here
+   |              |
+   |              `x` is a reference that is only valid in the closure body
+
+error: aborting due to previous error
+

src/test/ui/regions/issue-78262.rs

@@ -1,9 +1,14 @@
+// revisions: nll default
+// ignore-compare-mode-nll
+//[nll]compile-flags: -Z borrowck=mir
+
 trait TT {}
 
 impl dyn TT {
     fn func(&self) {}
 }
 
 fn main() {
-    let f = |x: &dyn TT| x.func(); //~ ERROR: mismatched types
+    let f = |x: &dyn TT| x.func(); //[default]~ ERROR: mismatched types
+    //[nll]~^ ERROR: borrowed data escapes outside of closure
 }