Merging upstream version 1.71.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/vendor/proc-macro2/src/rcvec.rs b/vendor/proc-macro2/src/rcvec.rs
index 86ca7d808..62298b42f 100644
--- a/vendor/proc-macro2/src/rcvec.rs
+++ b/vendor/proc-macro2/src/rcvec.rs
@@ -1,5 +1,6 @@
 use core::mem;
 use core::slice;
+use std::panic::RefUnwindSafe;
 use std::rc::Rc;
 use std::vec;
 
@@ -140,3 +141,5 @@ impl<T> Iterator for RcVecIntoIter<T> {
         self.inner.size_hint()
     }
 }
+
+impl<T> RefUnwindSafe for RcVec<T> where T: RefUnwindSafe {}