Fix clippy warnings (#1336)

* fix clippy warnings

* fix another clippy warning

crates/ir/src/primitive.rs

@@ -346,7 +346,7 @@ impl ComparatorAndOffset {
     pub fn as_u64(&self) -> u64 {
         let hi = self.cmp as u64;
         let lo = self.offset.to_i32() as u64;
-        hi << 32 | lo
+        (hi << 32) | lo
     }
 }
 

crates/wasmi/src/linker.rs

@@ -236,7 +236,7 @@ impl ImportKey {
     /// Creates a new [`ImportKey`] from the given `module` and `name` symbols.
     #[inline]
     pub fn new(module: Symbol, name: Symbol) -> Self {
-        let module_and_name = u64::from(module.into_u32()) << 32 | u64::from(name.into_u32());
+        let module_and_name = (u64::from(module.into_u32()) << 32) | u64::from(name.into_u32());
         Self { module_and_name }
     }
 

crates/wasmi/src/module/read.rs

@@ -62,7 +62,7 @@ where
 }
 
 #[cfg(not(feature = "std"))]
-impl<'a> Read for &'a [u8] {
+impl Read for &[u8] {
     fn read(&mut self, buffer: &mut [u8]) -> Result<usize, ReadError> {
         let len_copy = self.len().min(buffer.len());
         let (read, rest) = self.split_at(len_copy);