message: Ignore libcore test that requires unwinding support
diff: @@ -10,6 +10,26 @@ Subject: [PATCH] [core] Ignore failing tests
  src/libcore/tests/time.rs | 1 +
  4 files changed, 18 insertions(+), 2 deletions(-)
  +diff --git a/src/libcore/tests/array.rs b/src/libcore/tests/array.rs
  +index 4bc44e9..8e3c7a4 100644
  +--- a/src/libcore/tests/array.rs
  ++++ b/src/libcore/tests/array.rs
  +@@ -242,6 +242,7 @@ fn iterator_drops() {
  + assert_eq!(i.get(), 5);
  + }
  +
  ++/*
  + // This test does not work on targets without panic=unwind support.
  + // To work around this problem, test is marked is should_panic, so it will
  + // be automagically skipped on unsuitable targets, such as
  +@@ -283,6 +284,7 @@ fn array_default_impl_avoids_leaks_on_panic() {
  + assert_eq!(COUNTER.load(Relaxed), 0);
  + panic!("test succeeded")
  + }
  ++*/
  +
  + #[test]
  + fn empty_array_is_always_default() {
  diff --git a/src/libcore/tests/iter.rs b/src/libcore/tests/iter.rs
  index c9096b7..be37fcd 100644
  --- a/src/libcore/tests/iter.rs
  