Auto merge of #1132 - christianpoveda:use_scalar_to_u16, r=RalfJung

Use Scalar::to_u16

rust-lang/rust#67604 (comment) r? @RalfJung

Author: bors

rust-version

@@ -1 +1 @@
-8f5f8f916f00f7989a4ebf7b7dbfe1afd605f828
+f564c4db0d97eabd7fdd72e589d3e415790ee2a4

src/shims/fs.rs

@@ -283,8 +283,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
             None => return Ok(-1),
         };
 
-        // FIXME: use Scalar::to_u16
-        let mode: u16 = metadata.mode.to_bits(Size::from_bits(16))? as u16;
+        let mode: u16 = metadata.mode.to_u16()?;
 
         let (access_sec, access_nsec) = metadata.accessed.unwrap_or((0, 0));
         let (created_sec, created_nsec) = metadata.created.unwrap_or((0, 0));