1 files changed, 1 insertions, 6 deletions
diff --git a/tests/ui/runtime/out-of-stack.rs b/tests/ui/runtime/out-of-stack.rs
index ab2b50b293c..a62398df8b8 100644
--- a/tests/ui/runtime/out-of-stack.rs
+++ b/tests/ui/runtime/out-of-stack.rs
@@ -8,21 +8,16 @@
 //@ ignore-fuchsia must translate zircon signal to SIGABRT, FIXME (#58590)
 //@ ignore-nto no stack overflow handler used (no alternate stack available)
 
-#![feature(core_intrinsics)]
 #![feature(rustc_private)]
 
 #[cfg(unix)]
 extern crate libc;
 
 use std::env;
+use std::hint::black_box;
 use std::process::Command;
 use std::thread;
 
-// Inlining to avoid llvm turning the recursive functions into tail calls,
-// which doesn't consume stack.
-#[inline(always)]
-pub fn black_box<T>(dummy: T) { std::intrinsics::black_box(dummy); }
-
 fn silent_recurse() {
     let buf = [0u8; 1000];
     black_box(buf);