fixes

Author: Zoxc

src/librustc/dep_graph/graph.rs

@@ -1177,7 +1177,7 @@ pub fn test2(a: &mut DepGraph, dep_node_index: DepNodeIndex) {
     a.read_index(dep_node_index)
 }
 use hir::def_id::DefId;
-use std::hash::{BuildHasher, Hasher};
+use std::hash::Hasher;
 use rustc_hash::FxHasher;
 #[no_mangle]
 pub fn test4(a: DefId) -> u64 {

src/librustc/ty/query/plumbing.rs

@@ -103,39 +103,8 @@ pub(super) struct JobOwner<'a, 'tcx: 'a, Q: QueryDescription<'tcx> + 'a> {
     layout_depth: usize,
 }
 
-#[no_mangle]
-fn size_JobOwner() -> usize {
-    std::mem::size_of::<JobOwner<::ty::query::queries::type_of>>()
-}
-
-#[no_mangle]
-fn size_QueryJob() -> usize {
-    std::mem::size_of::<QueryJob>()
-}
-
-#[no_mangle]
-fn size_Query() -> usize {
-    std::mem::size_of::<::ty::query::Query>()
-}
-
 use hir::def_id::DefId;
 
-#[no_mangle]
-fn size_DefId() -> usize {
-    std::mem::size_of::<DefId>()
-}
- use hir::def_id::CrateId;
-#[no_mangle]
-fn size_CrateId() -> usize {
-    std::mem::size_of::<CrateId>()
-}
-
- use hir::def_id::CrateNum;
-#[no_mangle]
-fn size_CrateNum() -> usize {
-    std::mem::size_of::<CrateNum>()
-}
-
     use std::mem::MaybeUninit;
 #[inline(never)]
 pub fn may_panic<'tcx>(job: Lrc<QueryJob<'tcx>>) {