Use ref

Author: bonega

compiler/rustc_mir/src/interpret/validity.rs

@@ -623,7 +623,7 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, '
         scalar_layout: &ScalarAbi,
     ) -> InterpResult<'tcx> {
         let value = self.read_scalar(op)?;
-        let valid_range = scalar_layout.valid_range;
+        let valid_range = scalar_layout.valid_range.clone();
         let AllocationRange { start: lo, end: hi } = valid_range;
         // Determine the allowed range
         // `max_hi` is as big as the size fits

compiler/rustc_target/src/abi/mod.rs

@@ -985,7 +985,7 @@ impl Niche {
     }
 
     pub fn available<C: HasDataLayout>(&self, cx: &C) -> u128 {
-        let Scalar { value, valid_range: v } = self.scalar;
+        let Scalar { value, valid_range: ref v } = self.scalar;
         let bits = value.size(cx).bits();
         assert!(bits <= 128);
         let max_value = !0u128 >> (128 - bits);
@@ -998,7 +998,7 @@ impl Niche {
     pub fn reserve<C: HasDataLayout>(&self, cx: &C, count: u128) -> Option<(u128, Scalar)> {
         assert!(count > 0);
 
-        let Scalar { value, valid_range: v } = self.scalar;
+        let Scalar { value, valid_range: ref v } = self.scalar;
         let bits = value.size(cx).bits();
         assert!(bits <= 128);
         let max_value = !0u128 >> (128 - bits);