Remove the equality operation between `Symbol` and strings.

And also the equality between `Path` and strings, because `Path` is made
up of `Symbol`s.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libsyntax_ext/deriving/mod.rs b/src/libsyntax_ext/deriving/mod.rs
index fff54814a38..c27de692d88 100644
--- a/src/libsyntax_ext/deriving/mod.rs
+++ b/src/libsyntax_ext/deriving/mod.rs
@@ -6,7 +6,7 @@ use syntax::ext::base::{Annotatable, ExtCtxt, SyntaxExtension, Resolver};
 use syntax::ext::build::AstBuilder;
 use syntax::ext::hygiene::{Mark, SyntaxContext};
 use syntax::ptr::P;
-use syntax::symbol::Symbol;
+use syntax::symbol::{Symbol, sym};
 use syntax_pos::Span;
 
 macro path_local($x:ident) {
@@ -139,7 +139,7 @@ fn call_intrinsic(cx: &ExtCtxt<'_>,
     let intrinsic_allowed_via_allow_internal_unstable = cx
         .current_expansion.mark.expn_info().unwrap()
         .allow_internal_unstable.map_or(false, |features| features.iter().any(|&s|
-            s == "core_intrinsics"
+            s == sym::core_intrinsics
         ));
     if intrinsic_allowed_via_allow_internal_unstable {
         span = span.with_ctxt(cx.backtrace());