Revert "Auto merge of #89450 - usbalbin:const_try_revert, r=oli-obk"

This reverts commit a8387aef8c, reversing
changes made to 6e12110812.

src/test/ui/consts/not_const_clusure_in_const.rs

@@ -1,9 +0,0 @@
-// run-pass
-
-const _FOO: fn() -> String = || "foo".into();
-
-pub fn bar() -> fn() -> String {
-    || "bar".into()
-}
-
-fn main(){}

src/test/ui/consts/try-operator.rs

@@ -0,0 +1,23 @@
+// run-pass
+
+#![feature(try_trait_v2)]
+#![feature(const_trait_impl)]
+#![feature(const_try)]
+#![feature(const_convert)]
+
+fn main() {
+    const fn result() -> Result<bool, ()> {
+        Err(())?;
+        Ok(true)
+    }
+
+    const FOO: Result<bool, ()> = result();
+    assert_eq!(Err(()), FOO);
+
+    const fn option() -> Option<()> {
+        None?;
+        Some(())
+    }
+    const BAR: Option<()> = option();
+    assert_eq!(None, BAR);
+}