statics in match arm: compile with -g

Currently, this ICEs. See #29696. Also removes duplicate test case.

Author: tamird

src/test/run-pass/issue-24956.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-flags: -g
 
 struct NewBool(bool);