add miri-track-caller to some intrinsic-exposing methods

2022-07-24 14:28:30 -04:00
parent 35a0617248
commit d10a7b1243
7 changed files with 38 additions and 0 deletions
--- a/library/core/src/hint.rs
+++ b/library/core/src/hint.rs
@@ -96,6 +96,7 @@ use crate::intrinsics;
 #[inline]
 #[stable(feature = "unreachable", since = "1.27.0")]
 #[rustc_const_stable(feature = "const_unreachable_unchecked", since = "1.57.0")]
+#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
 pub const unsafe fn unreachable_unchecked() -> ! {
    // SAFETY: the safety contract for `intrinsics::unreachable` must
    // be upheld by the caller.