Auto merge of #71846 - petrochenkov:fresh2, r=davidtwco

resolve: Relax fresh binding disambiguation slightly to fix regression

Fixes https://github.com/rust-lang/rust/issues/71765

src/test/ui/binding/ambiguity-item.rs

@@ -14,5 +14,6 @@ fn main() {
     let v = f; //~ ERROR `f` is ambiguous
     match v {
         f => {} //~ ERROR `f` is ambiguous
+        mut f => {} // OK, unambiguously a fresh binding due to `mut`
     }
 }