From af60851f99a297bdfa47faef895b52e0ac5064ff Mon Sep 17 00:00:00 2001
From: DPC <dylan.dpc@gmail.com>
Date: Mon, 22 Mar 2021 02:19:00 +0100
Subject: fix track caller call

---
 library/alloc/src/vec/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs
index c1f1f97ff54..75b6c928079 100644
--- a/library/alloc/src/vec/mod.rs
+++ b/library/alloc/src/vec/mod.rs
@@ -2628,9 +2628,9 @@ impl<T, A: Allocator> Vec<T, A> {
 /// append the entire slice at once.
 ///
 /// [`copy_from_slice`]: slice::copy_from_slice
-#[track_caller]
 #[stable(feature = "extend_ref", since = "1.2.0")]
 impl<'a, T: Copy + 'a, A: Allocator + 'a> Extend<&'a T> for Vec<T, A> {
+    #[track_caller]
     fn extend<I: IntoIterator<Item = &'a T>>(&mut self, iter: I) {
         self.spec_extend(iter.into_iter())
     }
-- 
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