From 793e3b231c52e588c6783f5e0965eb0562f550b5 Mon Sep 17 00:00:00 2001
From: Brian Anderson <banderson@mozilla.com>
Date: Sat, 14 Jan 2012 16:33:33 -0800
Subject: rustc: Output a note about how to debug unexpected failures

---
 src/comp/driver/rustc.rs | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/comp')

diff --git a/src/comp/driver/rustc.rs b/src/comp/driver/rustc.rs
index a330d29550e..e7447cc446b 100644
--- a/src/comp/driver/rustc.rs
+++ b/src/comp/driver/rustc.rs
@@ -164,6 +164,12 @@ fn monitor(f: fn~(diagnostic::emitter)) {
                     none,
                     diagnostic::ice_msg("unexpected failure"),
                     diagnostic::error);
+                let note = "The compiler hit an unexpected failure path. \
+                            This is a bug. Try running with \
+                            RUST_LOG=rustc=0,::rt::backtrace \
+                            to get further details and report the results \
+                            to github.com/mozilla/rust/issues";
+                diagnostic::emit(none, note, diagnostic::note);
             }
             // Fail so the process returns a failure code
             fail;
-- 
cgit 1.4.1-3-g733a5