From ebbc94957555350cdc71c4c853de430119f59f9f Mon Sep 17 00:00:00 2001
From: Joshua Nelson <jyn514@gmail.com>
Date: Sat, 27 Mar 2021 22:58:25 -0400
Subject: [PATCH] Note why `Handler::fatal` is different from `Sesssion::fatal`

---
 compiler/rustc_errors/src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs
index cbfb5f951b29f..dc1664bb2baa8 100644
--- a/compiler/rustc_errors/src/lib.rs
+++ b/compiler/rustc_errors/src/lib.rs
@@ -692,6 +692,7 @@ impl Handler {
         db
     }
 
+    // NOTE: intentionally doesn't raise an error so rustc_codegen_ssa only reports fatal errors in the main thread
     pub fn fatal(&self, msg: &str) -> FatalError {
         self.inner.borrow_mut().fatal(msg)
     }