diff options
Diffstat (limited to 'compiler/rustc_ty_utils/src/abi.rs')
| -rw-r--r-- | compiler/rustc_ty_utils/src/abi.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs index f8a5691f29d..d1197774fe9 100644 --- a/compiler/rustc_ty_utils/src/abi.rs +++ b/compiler/rustc_ty_utils/src/abi.rs @@ -254,12 +254,12 @@ fn adjust_for_rust_scalar<'tcx>( // The aliasing rules for `Box<T>` are still not decided, but currently we emit // `noalias` for it. This can be turned off using an unstable flag. // See https://github.com/rust-lang/unsafe-code-guidelines/issues/326 - let noalias_for_box = cx.tcx.sess.opts.unstable_opts.box_noalias.unwrap_or(true); + let noalias_for_box = cx.tcx.sess.opts.unstable_opts.box_noalias; // LLVM prior to version 12 had known miscompiles in the presence of noalias attributes // (see #54878), so it was conditionally disabled, but we don't support earlier // versions at all anymore. We still support turning it off using -Zmutable-noalias. - let noalias_mut_ref = cx.tcx.sess.opts.unstable_opts.mutable_noalias.unwrap_or(true); + let noalias_mut_ref = cx.tcx.sess.opts.unstable_opts.mutable_noalias; // `&mut` pointer parameters never alias other parameters, // or mutable global data |