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-rw-r--r--src/intrinsics/simd.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/intrinsics/simd.rs b/src/intrinsics/simd.rs
index 256b55a2a01..c34c1cd8060 100644
--- a/src/intrinsics/simd.rs
+++ b/src/intrinsics/simd.rs
@@ -148,7 +148,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
             let total_len = lane_count * 2;
 
             let indexes =
-                idx.iter().map(|idx| idx.unwrap_leaf().try_to_u16().unwrap()).collect::<Vec<u16>>();
+                idx.iter().map(|idx| idx.unwrap_leaf().try_to_u32().unwrap()).collect::<Vec<u32>>();
 
             for &idx in &indexes {
                 assert!(u64::from(idx) < total_len, "idx {} out of range 0..{}", idx, total_len);