From f6526512751bfe29a0bf9535bc41db2076ff57ba Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Tue, 11 Oct 2016 14:02:06 -0400
Subject: retool EarlyLint to track a Diagnostic

---
 src/librustc_errors/diagnostic.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/librustc_errors')

diff --git a/src/librustc_errors/diagnostic.rs b/src/librustc_errors/diagnostic.rs
index dab8fb665ac..cb03257a5ee 100644
--- a/src/librustc_errors/diagnostic.rs
+++ b/src/librustc_errors/diagnostic.rs
@@ -166,6 +166,14 @@ impl Diagnostic {
         self.level
     }
 
+    /// Used by a lint. Copies over all details *but* the "main
+    /// message".
+    pub fn copy_details_not_message(&mut self, from: &Diagnostic) {
+        self.span = from.span.clone();
+        self.code = from.code.clone();
+        self.children.extend(from.children.iter().cloned())
+    }
+
     /// Convenience function for internal use, clients should use one of the
     /// public methods above.
     fn sub(&mut self,
-- 
cgit 1.4.1-3-g733a5