From f6ff3771e39468bd155f6118d3f64d3a89b6105b Mon Sep 17 00:00:00 2001
From: "leonardo.yvens" <leoyvens@gmail.com>
Date: Sun, 31 Dec 2017 17:25:56 -0200
Subject: [PATCH] Clarify where `is_import` is used.

So it's not mistaken for dead code.
---
 src/librustc/hir/def.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/librustc/hir/def.rs b/src/librustc/hir/def.rs
index 19a37b693db..57a7e6c9904 100644
--- a/src/librustc/hir/def.rs
+++ b/src/librustc/hir/def.rs
@@ -132,6 +132,7 @@ pub struct Export {
     /// We include non-`pub` exports for hygienic macros that get used from extern crates.
     pub vis: ty::Visibility,
     /// True if from a `use` or and `extern crate`.
+    /// Used in rustdoc.
     pub is_import: bool,
 }