Auto merge of #1308 - RalfJung:miri, r=RalfJung

[rust.git] / tests / compile-fail / copy_null.rs

diff --git a/tests/compile-fail/copy_null.rs b/tests/compile-fail/copy_null.rs
index 08391b12ae1bc620ae724a718f76c8855f5571a2..b14bdc4b3863273f4f38ff006ce6267e7875038d 100644 (file)
--- a/tests/compile-fail/copy_null.rs
+++ b/tests/compile-fail/copy_null.rs
@@ -1,8 +1,13 @@
-//error-pattern: invalid use of NULL pointer
+#![feature(intrinsics)]
+
+// Directly call intrinsic to avoid debug assertions in libstd
+extern "rust-intrinsic" {
+    fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize);
+}
 
 fn main() {
     let mut data = [0u16; 4];
     let ptr = &mut data[0] as *mut u16;
     // Even copying 0 elements from NULL should error.
-    unsafe { ptr.copy_from(std::ptr::null(), 0); }
+    unsafe { copy_nonoverlapping(std::ptr::null(), ptr, 0); } //~ ERROR: invalid use of NULL pointer
 }