Move ResolverOutputs out of rustc_middle.

It's not used in `rustc_middle`, and `rustc_resolve` is a better place
for it.

compiler/rustc_interface/src/passes.rs

@@ -29,7 +29,7 @@
     new_parser_from_file, new_parser_from_source_str, unwrap_or_emit_fatal, validate_attr,
 };
 use rustc_passes::{abi_test, input_stats, layout_test};
-use rustc_resolve::Resolver;
+use rustc_resolve::{Resolver, ResolverOutputs};
 use rustc_session::config::{CrateType, Input, OutFileName, OutputFilenames, OutputType};
 use rustc_session::cstore::Untracked;
 use rustc_session::output::{collect_crate_types, filename_for_input};
@@ -793,7 +793,7 @@ fn resolver_for_lowering_raw<'tcx>(
     // Make sure we don't mutate the cstore from here on.
     tcx.untracked().cstore.freeze();
 
-    let ty::ResolverOutputs {
+    let ResolverOutputs {
         global_ctxt: untracked_resolutions,
         ast_lowering: untracked_resolver_for_lowering,
     } = resolver.into_outputs();

compiler/rustc_middle/src/ty/mod.rs

@@ -170,11 +170,6 @@
 
 // Data types
 
-pub struct ResolverOutputs {
-    pub global_ctxt: ResolverGlobalCtxt,
-    pub ast_lowering: ResolverAstLowering,
-}
-
 #[derive(Debug, HashStable)]
 pub struct ResolverGlobalCtxt {
     pub visibilities_for_hashing: Vec<(LocalDefId, Visibility)>,

compiler/rustc_resolve/src/lib.rs

@@ -64,8 +64,8 @@
 use rustc_middle::query::Providers;
 use rustc_middle::span_bug;
 use rustc_middle::ty::{
-    self, DelegationFnSig, Feed, MainDefinition, RegisteredTools, ResolverGlobalCtxt,
-    ResolverOutputs, TyCtxt, TyCtxtFeed, Visibility,
+    self, DelegationFnSig, Feed, MainDefinition, RegisteredTools, ResolverAstLowering,
+    ResolverGlobalCtxt, TyCtxt, TyCtxtFeed, Visibility,
 };
 use rustc_query_system::ich::StableHashingContext;
 use rustc_session::lint::builtin::PRIVATE_MACRO_USE;
@@ -1037,6 +1037,11 @@ fn new(ext: Arc<SyntaxExtension>) -> MacroData {
     }
 }
 
+pub struct ResolverOutputs {
+    pub global_ctxt: ResolverGlobalCtxt,
+    pub ast_lowering: ResolverAstLowering,
+}
+
 /// The main resolver class.
 ///
 /// This is the visitor that walks the whole crate.