Remove extern crate rustc_middle from rustc_query_impl.

Author: nnethercote

compiler/rustc_query_impl/src/lib.rs

@@ -8,9 +8,6 @@
 #![allow(rustc::potential_query_instability, unused_parens)]
 #![allow(internal_features)]
 
-#[macro_use]
-extern crate rustc_middle;
-
 use crate::plumbing::{__rust_begin_short_backtrace, encode_all_query_results, try_mark_green};
 use crate::profiling_support::QueryKeyStringCache;
 use field_offset::offset_of;
@@ -222,4 +219,4 @@ pub fn query_system<'tcx>(
     }
 }
 
-rustc_query_append! { define_queries! }
+rustc_middle::rustc_query_append! { define_queries! }

compiler/rustc_query_impl/src/plumbing.rs

@@ -7,8 +7,8 @@ use rustc_data_structures::stable_hasher::{Hash64, HashStable, StableHasher};
 use rustc_data_structures::sync::Lock;
 use rustc_data_structures::unord::UnordMap;
 use rustc_errors::DiagInner;
-
 use rustc_index::Idx;
+use rustc_middle::bug;
 use rustc_middle::dep_graph::dep_kinds;
 use rustc_middle::dep_graph::{
     self, DepContext, DepKind, DepKindStruct, DepNode, DepNodeIndex, SerializedDepNodeIndex,
@@ -781,6 +781,7 @@ macro_rules! define_queries {
         #[allow(nonstandard_style)]
         mod query_callbacks {
             use super::*;
+            use rustc_middle::bug;
             use rustc_query_system::dep_graph::FingerprintStyle;
 
             // We use this for most things when incr. comp. is turned off.
@@ -849,7 +850,7 @@ macro_rules! define_queries {
         }
 
         pub fn query_callbacks<'tcx>(arena: &'tcx Arena<'tcx>) -> &'tcx [DepKindStruct<'tcx>] {
-            arena.alloc_from_iter(make_dep_kind_array!(query_callbacks))
+            arena.alloc_from_iter(rustc_middle::make_dep_kind_array!(query_callbacks))
         }
     }
 }