Remove def_path_str.

Author: cjgillot

compiler/rustc_query_impl/src/plumbing.rs

@@ -14,7 +14,7 @@ use rustc_data_structures::sync::Lock;
 use rustc_data_structures::thin_vec::ThinVec;
 use rustc_errors::Diagnostic;
 use rustc_serialize::opaque;
-use rustc_span::def_id::{DefId, LocalDefId};
+use rustc_span::def_id::LocalDefId;
 
 #[derive(Copy, Clone)]
 pub struct QueryCtxt<'tcx> {
@@ -25,6 +25,7 @@ pub struct QueryCtxt<'tcx> {
 impl<'tcx> std::ops::Deref for QueryCtxt<'tcx> {
     type Target = TyCtxt<'tcx>;
 
+    #[inline]
     fn deref(&self) -> &Self::Target {
         &self.tcx
     }
@@ -42,10 +43,6 @@ impl HasDepContext for QueryCtxt<'tcx> {
 }
 
 impl QueryContext for QueryCtxt<'tcx> {
-    fn def_path_str(&self, def_id: DefId) -> String {
-        self.tcx.def_path_str(def_id)
-    }
-
     fn current_query_job(&self) -> Option<QueryJobId<Self::DepKind>> {
         tls::with_related_context(**self, |icx| icx.query)
     }

compiler/rustc_query_system/src/query/mod.rs

@@ -19,7 +19,6 @@ use crate::dep_graph::{DepNode, DepNodeIndex, HasDepContext, SerializedDepNodeIn
 use rustc_data_structures::sync::Lock;
 use rustc_data_structures::thin_vec::ThinVec;
 use rustc_errors::Diagnostic;
-use rustc_span::def_id::DefId;
 use rustc_span::Span;
 
 /// Description of a frame in the query stack.
@@ -64,9 +63,6 @@ impl QueryStackFrame {
 }
 
 pub trait QueryContext: HasDepContext {
-    /// Get string representation from DefPath.
-    fn def_path_str(&self, def_id: DefId) -> String;
-
     /// Get the query information from the TLS context.
     fn current_query_job(&self) -> Option<QueryJobId<Self::DepKind>>;