Fix some unnecessary casts

`x clippy compiler -Aclippy::all -Wclippy::unnecessary_cast --fix`
with some manual review to ensure every fix is correct.

2 files changed, 2 insertions, 6 deletions

diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs
index b6ffdc7378f..109757f8719 100644
--- a/compiler/rustc_metadata/src/rmeta/encoder.rs
+++ b/compiler/rustc_metadata/src/rmeta/encoder.rs
@@ -2269,11 +2269,7 @@ fn encode_metadata_impl(tcx: TyCtxt<'_>, path: &Path) {
     file.seek(std::io::SeekFrom::Start(pos_before_seek)).unwrap();
 
     // Record metadata size for self-profiling
-    tcx.prof.artifact_size(
-        "crate_metadata",
-        "crate_metadata",
-        file.metadata().unwrap().len() as u64,
-    );
+    tcx.prof.artifact_size("crate_metadata", "crate_metadata", file.metadata().unwrap().len());
 }
 
 pub fn provide(providers: &mut Providers) {
diff --git a/compiler/rustc_metadata/src/rmeta/table.rs b/compiler/rustc_metadata/src/rmeta/table.rs
index 027994c40ab..0d97b6b7674 100644
--- a/compiler/rustc_metadata/src/rmeta/table.rs
+++ b/compiler/rustc_metadata/src/rmeta/table.rs
@@ -497,7 +497,7 @@ impl<I: Idx, const N: usize, T: FixedSizeEncoding<ByteArray = [u8; N]>> TableBui
         }
 
         LazyTable::from_position_and_encoded_size(
-            NonZeroUsize::new(pos as usize).unwrap(),
+            NonZeroUsize::new(pos).unwrap(),
             width,
             self.blocks.len(),
         )