Rollup merge of #66662 - RalfJung:miri-test-liballoc, r=dtolnay

Miri: run panic-catching tests in liballoc

I also converted two tests from using `thread::spawn(...).join()` just for catching panics, to `catch_panic`, so that Miri can run them.

1 files changed, 2 insertions, 3 deletions

diff --git a/src/liballoc/tests/vec.rs b/src/liballoc/tests/vec.rs
index 0cc8da096f3..9ee254f99ac 100644
--- a/src/liballoc/tests/vec.rs
+++ b/src/liballoc/tests/vec.rs
@@ -944,10 +944,9 @@ fn drain_filter_complex() {
     }
 }
 
-// Miri does not support catching panics
 // FIXME: re-enable emscripten once it can unwind again
 #[test]
-#[cfg(not(any(miri, target_os = "emscripten")))]
+#[cfg(not(target_os = "emscripten"))]
 fn drain_filter_consumed_panic() {
     use std::rc::Rc;
     use std::sync::Mutex;
@@ -999,7 +998,7 @@ fn drain_filter_consumed_panic() {
 
 // FIXME: Re-enable emscripten once it can catch panics
 #[test]
-#[cfg(not(any(miri, target_os = "emscripten")))] // Miri does not support catching panics
+#[cfg(not(target_os = "emscripten"))]
 fn drain_filter_unconsumed_panic() {
     use std::rc::Rc;
     use std::sync::Mutex;