message: Re-enable some now compiling libcore tests
  cc
diff: @@ -119,21 +119,5 @@ index 6609bc3..241b497 100644
  #[test]
  #[should_panic(expected = "index 0 greater than length of slice")]
  -diff --git a/library/core/tests/num/ops.rs b/library/core/tests/num/ops.rs
  -index 9979cc8..d5d1d83 100644
  ---- a/library/core/tests/num/ops.rs
  -+++ b/library/core/tests/num/ops.rs
  -@@ -238,7 +238,7 @@ macro_rules! test_shift_assign {
  - }
  - };
  - }
  --test_shift!(test_shl_defined, Shl::shl);
  --test_shift_assign!(test_shl_assign_defined, ShlAssign::shl_assign);
  --test_shift!(test_shr_defined, Shr::shr);
  --test_shift_assign!(test_shr_assign_defined, ShrAssign::shr_assign);
  -+//test_shift!(test_shl_defined, Shl::shl);
  -+//test_shift_assign!(test_shl_assign_defined, ShlAssign::shl_assign);
  -+//test_shift!(test_shr_defined, Shr::shr);
  -+//test_shift_assign!(test_shr_assign_defined, ShrAssign::shr_assign);
  --
  2.21.0 (Apple Git-122)
  