From 6848ba2665d10380f259addbd9f60d0ab8d3542a Mon Sep 17 00:00:00 2001
From: Michael Goulet <michael@errs.io>
Date: Wed, 17 Aug 2022 06:17:36 +0000
Subject: Comment a bit, use find_ancestor_in_same_ctxt to suppress some weird
 macro notes

---
 compiler/rustc_span/src/lib.rs | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'compiler/rustc_span/src')

diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index d14e28e85be..a624e3ab142 100644
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -664,6 +664,13 @@ impl Span {
         Some(self)
     }
 
+    pub fn find_ancestor_in_same_ctxt(mut self, other: Span) -> Option<Span> {
+        while !Span::eq_ctxt(self, other) {
+            self = self.parent_callsite()?;
+        }
+        Some(self)
+    }
+
     /// Edition of the crate from which this span came.
     pub fn edition(self) -> edition::Edition {
         self.ctxt().edition()
-- 
cgit 1.4.1-3-g733a5