From eaa63266d8456ac8c3d1b82f4e1078fcd271e95c Mon Sep 17 00:00:00 2001
From: Vytautas Astrauskas <astrauv@amazon.com>
Date: Mon, 20 Apr 2020 17:02:43 -0700
Subject: [PATCH] Make multiple threads to try to join a thread while it is
 still running.

---
 tests/compile-fail/concurrency/libc_pthread_join_multiple.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/compile-fail/concurrency/libc_pthread_join_multiple.rs b/tests/compile-fail/concurrency/libc_pthread_join_multiple.rs
index 949fcc282f0f..0d99b69ed914 100644
--- a/tests/compile-fail/concurrency/libc_pthread_join_multiple.rs
+++ b/tests/compile-fail/concurrency/libc_pthread_join_multiple.rs
@@ -10,6 +10,8 @@
 use std::{mem, ptr};
 
 extern "C" fn thread_start(_null: *mut libc::c_void) -> *mut libc::c_void {
+    thread::yield_now();
+    thread::yield_now();
     ptr::null_mut()
 }