add tests for new behavior

Author: syvb

src/test/ui/match/issue-82392.rs

@@ -0,0 +1,9 @@
+// https://github.com/rust-lang/rust/issues/82329
+// compile-flags: -Zunpretty=hir,typed
+// check-pass
+
+pub fn main() {
+    if true {
+    } else if let Some(a) = Some(3) {
+    }
+}

src/test/ui/match/issue-82392.stdout

@@ -0,0 +1,20 @@
+#[prelude_import]
+use ::std::prelude::rust_2015::*;
+#[macro_use]
+extern crate std;
+// https://github.com/rust-lang/rust/issues/82329
+// compile-flags: -Zunpretty=hir,typed
+// check-pass
+
+pub fn main() ({
+                   (if (true as bool)
+                       ({ } as
+                           ()) else {match ((Some as
+                                                fn(i32) -> Option<i32> {Option::<i32>::Some})((3
+                                                                                                  as
+                                                                                                  i32))
+                                               as Option<i32>) {
+                                         Some(a) => { }
+                                         _ => { }
+                                     }} as ())
+                    } as ())

src/test/ui/match/issue-84434.rs

@@ -0,0 +1,18 @@
+// https://github.com/rust-lang/rust/issues/84434
+// check-pass
+
+use std::path::Path;
+struct A {
+    pub func: fn(check: bool, a: &Path, b: Option<&Path>),
+}
+const MY_A: A = A {
+    func: |check, a, b| {
+        if check {
+            let _ = ();
+        } else if let Some(parent) = b.and_then(|p| p.parent()) {
+            let _ = ();
+        }
+    },
+};
+
+fn main() {}