From f25aa5767f0bb1409c7c7b6c202f22d8bf48bbee Mon Sep 17 00:00:00 2001
From: Joshua Nelson <jyn514@gmail.com>
Date: Sat, 27 Mar 2021 23:00:34 -0400
Subject: [PATCH] Remove unused `opt_span_warn` function

---
 compiler/rustc_session/src/session.rs | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs
index fff4ee7739f46..acb2a1ae7efa9 100644
--- a/compiler/rustc_session/src/session.rs
+++ b/compiler/rustc_session/src/session.rs
@@ -492,12 +492,6 @@ impl Session {
     pub fn warn(&self, msg: &str) {
         self.diagnostic().warn(msg)
     }
-    pub fn opt_span_warn<S: Into<MultiSpan>>(&self, opt_sp: Option<S>, msg: &str) {
-        match opt_sp {
-            Some(sp) => self.span_warn(sp, msg),
-            None => self.warn(msg),
-        }
-    }
     /// Delay a span_bug() call until abort_if_errors()
     #[track_caller]
     pub fn delay_span_bug<S: Into<MultiSpan>>(&self, sp: S, msg: &str) {