X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;ds=sidebyside;f=compiler%2Frustc_middle%2Fsrc%2Fmir%2Fmono.rs;h=d389fa8c0ebdde82933a106cda01409431368097;hb=7907385999b4a83d37ed31d334f3ed9ca02983a1;hp=13c325a14e4023ac0ef7237421c715968875c912;hpb=7eac19c30c9aa69bc3d85a583c117c37c1579de3;p=rust.git

diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs
index 13c325a14e4..d389fa8c0eb 100644
--- a/compiler/rustc_middle/src/mir/mono.rs
+++ b/compiler/rustc_middle/src/mir/mono.rs
@@ -8,7 +8,7 @@
 use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
 use rustc_hir::ItemId;
 use rustc_index::vec::Idx;
-use rustc_query_system::ich::{NodeIdHashingMode, StableHashingContext};
+use rustc_query_system::ich::StableHashingContext;
 use rustc_session::config::OptLevel;
 use rustc_span::source_map::Span;
 use rustc_span::symbol::Symbol;
@@ -40,7 +40,7 @@ pub enum InstantiationMode {
     LocalCopy,
 }
 
-#[derive(PartialEq, Eq, Clone, Copy, Debug, Hash)]
+#[derive(PartialEq, Eq, Clone, Copy, Debug, Hash, HashStable)]
 pub enum MonoItem<'tcx> {
     Fn(Instance<'tcx>),
     Static(DefId),
@@ -202,26 +202,6 @@ pub fn krate(&self) -> CrateNum {
     }
 }
 
-impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for MonoItem<'tcx> {
-    fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) {
-        ::std::mem::discriminant(self).hash_stable(hcx, hasher);
-
-        match *self {
-            MonoItem::Fn(ref instance) => {
-                instance.hash_stable(hcx, hasher);
-            }
-            MonoItem::Static(def_id) => {
-                def_id.hash_stable(hcx, hasher);
-            }
-            MonoItem::GlobalAsm(item_id) => {
-                hcx.with_node_id_hashing_mode(NodeIdHashingMode::HashDefPath, |hcx| {
-                    item_id.hash_stable(hcx, hasher);
-                })
-            }
-        }
-    }
-}
-
 impl<'tcx> fmt::Display for MonoItem<'tcx> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
@@ -458,7 +438,7 @@ pub fn new(tcx: TyCtxt<'tcx>) -> Self {
     ///
     /// This function will build CGU names of the form:
     ///
-    /// ```
+    /// ```text
     /// <crate-name>.<crate-disambiguator>[-in-<local-crate-id>](-<component>)*[.<special-suffix>]
     /// <local-crate-id> = <local-crate-name>.<local-crate-disambiguator>
     /// ```