commit 556738d8fe96f6d3c985a40d7df1f3e8bcada220
author David Tolnay <dtolnay@gmail.com> Sun Nov 15 13:58:44 2020 -0800
committer David Tolnay <dtolnay@gmail.com> Sun Nov 15 14:22:17 2020 -0800
tree bfec9757d60952fd2d4736a8250acc7ff8c6557f
parent 091b6d4715874cd1b5e78b6a579917679be191e9

Allow multiple arg refs if C++ function is unsafe extern

syntax/check.rs

diff --git a/syntax/check.rs b/syntax/check.rs
index b95123d..73ce885 100644
--- a/syntax/check.rs
+++ b/syntax/check.rs
@@ -325,6 +325,10 @@
 }
 
 fn check_multiple_arg_lifetimes(cx: &mut Check, efn: &ExternFn) {
+    if efn.lang == Lang::Cxx && efn.trusted {
+        return;
+    }
+
     match &efn.ret {
         Some(Type::Ref(_)) => {}
         _ => return,