Add regression test for issue #103476, fixed in edition 2024

Author: est31

tests/ui/rfcs/rfc-2497-if-let-chains/temporary-early-drop.rs

@@ -0,0 +1,25 @@
+// issue-103476
+//@ compile-flags: -Zlint-mir -Zunstable-options
+//@ edition: 2024
+//@ check-pass
+
+#![feature(let_chains)]
+#![allow(irrefutable_let_patterns)]
+
+structPd;
+
+implPd{
+fnit(&self) -> It{
+todo!()
+}
+}
+
+pubstructIt<'a>(Box<dynTr<'a>>);
+
+traitTr<'a>{}
+
+fnf(m:Option<Pd>){
+ifletSome(n) = m && let it = n.it(){};
+}
+
+fnmain(){}