From a10a0c8cfd17de2182bed3a1e03aca0f7c2587c6 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Mon, 21 May 2018 07:30:10 -0700
Subject: [PATCH] Revert "Disable the `span` feature temporarily"

This reverts commit 45b68870dc6cc58d7a272c470bc1ea20fa42d694.
---
 crates/backend/Cargo.toml | 2 +-
 crates/macro/Cargo.toml   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/crates/backend/Cargo.toml b/crates/backend/Cargo.toml
index 263256fb..dae14fcb 100644
--- a/crates/backend/Cargo.toml
+++ b/crates/backend/Cargo.toml
@@ -11,7 +11,7 @@ Backend code generation of the wasm-bindgen tool
 """
 
 [features]
-spans = []
+spans = ["proc-macro2/nightly"]
 
 [dependencies]
 quote = '0.6'
diff --git a/crates/macro/Cargo.toml b/crates/macro/Cargo.toml
index 92a6a18c..cb75fd75 100644
--- a/crates/macro/Cargo.toml
+++ b/crates/macro/Cargo.toml
@@ -14,7 +14,7 @@ Definition of the `#[wasm_bindgen]` attribute, an internal dependency
 proc-macro = true
 
 [features]
-spans = ["wasm-bindgen-backend/spans"]
+spans = ["proc-macro2/nightly", "wasm-bindgen-backend/spans"]
 
 [dependencies]
 syn = { version = '0.14', features = ['full'] }