From cc1e05f0ca92805d17aaba5613f85287c9ce8dd7 Mon Sep 17 00:00:00 2001
From: Simon Sapin <simon.sapin@exyr.org>
Date: Fri, 1 Feb 2019 11:29:02 +0100
Subject: [PATCH] Stabilize std::error::Error::type_id

This should have been part of https://github.com/rust-lang/rust/pull/57834

FCP: https://github.com/rust-lang/rust/issues/27745#issuecomment-373906749
---
 src/libstd/error.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/libstd/error.rs b/src/libstd/error.rs
index 2f9efb3f0fb57..50415d9aeb9c8 100644
--- a/src/libstd/error.rs
+++ b/src/libstd/error.rs
@@ -197,9 +197,7 @@ pub trait Error: Debug + Display {
 
     /// Get the `TypeId` of `self`
     #[doc(hidden)]
-    #[unstable(feature = "error_type_id",
-               reason = "unclear whether to commit to this public implementation detail",
-               issue = "27745")]
+    #[stable(feature = "error_type_id", since = "1.34.0")]
     fn type_id(&self) -> TypeId where Self: 'static {
         TypeId::of::<Self>()
     }