mark relevant tests as requiring unwinding

Author: pietroalbini

tests/incremental/change_crate_dep_kind.rs

@@ -5,6 +5,7 @@
 // needs-unwind
 // revisions:cfail1 cfail2
 // compile-flags: -Z query-dep-graph -Cpanic=unwind
+// needs-unwind
 // build-pass (FIXME(62277): could be check-pass?)
 
 #![feature(panic_unwind)]

tests/ui/panics/short-ice-remove-middle-frames-2.rs

@@ -2,6 +2,7 @@
 // run-fail
 // check-run-results
 // exec-env:RUST_BACKTRACE=1
+// needs-unwind
 // ignore-android FIXME #17520
 // ignore-wasm no panic support
 // ignore-openbsd no support for libbacktrace without filename

tests/ui/panics/short-ice-remove-middle-frames.rs

@@ -2,6 +2,7 @@
 // run-fail
 // check-run-results
 // exec-env:RUST_BACKTRACE=1
+// needs-unwind
 // ignore-android FIXME #17520
 // ignore-wasm no panic support
 // ignore-openbsd no support for libbacktrace without filename