Add inline.

Author: cjgillot

compiler/rustc_middle/src/ty/context.rs

@@ -1176,7 +1176,7 @@ impl<'tcx> TyCtxt<'tcx> {
  }
 
  crate fn query_kind(self, k: DepKind) -> &'tcx DepKindStruct {
- &self.query_kinds[k.index() as usize]
+ &self.query_kinds[k.index()]
  }
 
  /// Constructs a `TyKind::Error` type and registers a `delay_span_bug` to ensure it gets used.

compiler/rustc_query_system/src/dep_graph/dep_node.rs

@@ -58,12 +58,14 @@ impl DepKind {
  /// We use this for most things when incr. comp. is turned off.
  pub const NULL: Self = DepKind(0);
 
+ #[inline]
  pub const fn new(index: u16) -> Self {
  DepKind(index)
  }
 
- pub const fn index(self) -> u16 {
- self.0
+ #[inline]
+ pub const fn index(self) -> usize {
+ self.0 as usize
  }
 }