Migrate `mir_transform` to translatable diagnostics

1 files changed, 3 insertions, 7 deletions

diff --git a/compiler/rustc_mir_transform/src/lower_intrinsics.rs b/compiler/rustc_mir_transform/src/lower_intrinsics.rs
index 62b727674c5..e95f60718ef 100644
--- a/compiler/rustc_mir_transform/src/lower_intrinsics.rs
+++ b/compiler/rustc_mir_transform/src/lower_intrinsics.rs
@@ -1,6 +1,6 @@
 //! Lowers intrinsic calls
 
-use crate::MirPass;
+use crate::{errors, MirPass};
 use rustc_middle::mir::*;
 use rustc_middle::ty::subst::SubstsRef;
 use rustc_middle::ty::{self, Ty, TyCtxt};
@@ -287,11 +287,7 @@ fn resolve_rust_intrinsic<'tcx>(
 }
 
 fn validate_simd_shuffle<'tcx>(tcx: TyCtxt<'tcx>, args: &[Operand<'tcx>], span: Span) {
-    match &args[2] {
-        Operand::Constant(_) => {} // all good
-        _ => {
-            let msg = "last argument of `simd_shuffle` is required to be a `const` item";
-            tcx.sess.span_err(span, msg);
-        }
+    if !matches!(args[2], Operand::Constant(_)) {
+        tcx.sess.emit_err(errors::SimdShuffleLastConst { span });
     }
 }