Convert some `InternedString`s to `Symbols`.

This avoids the needs for various conversions, and makes the code
slightly faster, because `Symbol` comparisons and hashing is faster.

2 files changed, 4 insertions, 4 deletions

diff --git a/src/librustc_codegen_llvm/debuginfo/metadata.rs b/src/librustc_codegen_llvm/debuginfo/metadata.rs
index 438a660b8a8..d0bfbe05148 100644
--- a/src/librustc_codegen_llvm/debuginfo/metadata.rs
+++ b/src/librustc_codegen_llvm/debuginfo/metadata.rs
@@ -46,7 +46,7 @@ use std::iter;
 use std::ptr;
 use std::path::{Path, PathBuf};
 use syntax::ast;
-use syntax::symbol::{Interner, InternedString};
+use syntax::symbol::{Interner, Symbol};
 use syntax_pos::{self, Span, FileName};
 
 impl PartialEq for llvm::Metadata {
@@ -2127,7 +2127,7 @@ fn compute_type_parameters(cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>) -> Option<&'
 
     fn get_parameter_names(cx: &CodegenCx<'_, '_>,
                            generics: &ty::Generics)
-                           -> Vec<InternedString> {
+                           -> Vec<Symbol> {
         let mut names = generics.parent.map_or(vec![], |def_id| {
             get_parameter_names(cx, cx.tcx.generics_of(def_id))
         });
diff --git a/src/librustc_codegen_llvm/debuginfo/mod.rs b/src/librustc_codegen_llvm/debuginfo/mod.rs
index 6e4ed42c45e..5b59f4c28de 100644
--- a/src/librustc_codegen_llvm/debuginfo/mod.rs
+++ b/src/librustc_codegen_llvm/debuginfo/mod.rs
@@ -36,7 +36,7 @@ use std::ffi::{CStr, CString};
 
 use syntax_pos::{self, Span, Pos};
 use syntax::ast;
-use syntax::symbol::InternedString;
+use syntax::symbol::Symbol;
 use rustc::ty::layout::{self, LayoutOf, HasTyCtxt};
 use rustc_codegen_ssa::traits::*;
 
@@ -490,7 +490,7 @@ impl DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> {
 
         fn get_parameter_names(cx: &CodegenCx<'_, '_>,
                                generics: &ty::Generics)
-                               -> Vec<InternedString> {
+                               -> Vec<Symbol> {
             let mut names = generics.parent.map_or(vec![], |def_id| {
                 get_parameter_names(cx, cx.tcx.generics_of(def_id))
             });