From 8056506b1b8aef3dc1af1d6256e0665fbfc79ae9 Mon Sep 17 00:00:00 2001
From: varkor <github@varkor.com>
Date: Sat, 31 Mar 2018 22:12:52 +0100
Subject: [PATCH] Special-case OutputType::Metadata

---
 src/librustc_trans/back/link.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/librustc_trans/back/link.rs b/src/librustc_trans/back/link.rs
index 168570df464..60ce0517cfa 100644
--- a/src/librustc_trans/back/link.rs
+++ b/src/librustc_trans/back/link.rs
@@ -146,7 +146,10 @@ pub(crate) fn link_binary(sess: &Session,
     let mut out_filenames = Vec::new();
     for &crate_type in sess.crate_types.borrow().iter() {
         // Ignore executable crates if we have -Z no-trans, as they will error.
-        if sess.opts.debugging_opts.no_trans && crate_type == config::CrateTypeExecutable {
+        let output_metadata = sess.opts.output_types.contains_key(&OutputType::Metadata);
+        let ignore_executable = sess.opts.debugging_opts.no_trans ||
+            !(sess.opts.output_types.should_trans() || output_metadata);
+        if crate_type == config::CrateTypeExecutable && ignore_executable {
             continue;
         }