From 7d0c76aced18b3491bda4eeda9c570ad79d8416f Mon Sep 17 00:00:00 2001
From: Jeffrey Seyfried <jeffrey.seyfried@gmail.com>
Date: Sun, 20 Nov 2016 13:45:58 +0000
Subject: [PATCH] Add regression test.

---
 src/test/run-make/issue-37893/Makefile |  4 ++++
 src/test/run-make/issue-37893/a.rs     | 13 +++++++++++++
 src/test/run-make/issue-37893/b.rs     | 12 ++++++++++++
 src/test/run-make/issue-37893/c.rs     | 13 +++++++++++++
 4 files changed, 42 insertions(+)
 create mode 100644 src/test/run-make/issue-37893/Makefile
 create mode 100644 src/test/run-make/issue-37893/a.rs
 create mode 100644 src/test/run-make/issue-37893/b.rs
 create mode 100644 src/test/run-make/issue-37893/c.rs

diff --git a/src/test/run-make/issue-37893/Makefile b/src/test/run-make/issue-37893/Makefile
new file mode 100644
index 00000000000..27b69baf977
--- /dev/null
+++ b/src/test/run-make/issue-37893/Makefile
@@ -0,0 +1,4 @@
+-include ../tools.mk
+
+all:
+	$(RUSTC) a.rs && $(RUSTC) b.rs && $(RUSTC) c.rs
diff --git a/src/test/run-make/issue-37893/a.rs b/src/test/run-make/issue-37893/a.rs
new file mode 100644
index 00000000000..3dff45388c7
--- /dev/null
+++ b/src/test/run-make/issue-37893/a.rs
@@ -0,0 +1,13 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(proc_macro)]
+#![allow(unused)]
+#![crate_type = "proc-macro"]
diff --git a/src/test/run-make/issue-37893/b.rs b/src/test/run-make/issue-37893/b.rs
new file mode 100644
index 00000000000..82f48f6d8d6
--- /dev/null
+++ b/src/test/run-make/issue-37893/b.rs
@@ -0,0 +1,12 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![crate_type = "lib"]
+#[macro_use] extern crate a;
diff --git a/src/test/run-make/issue-37893/c.rs b/src/test/run-make/issue-37893/c.rs
new file mode 100644
index 00000000000..eee55cc2369
--- /dev/null
+++ b/src/test/run-make/issue-37893/c.rs
@@ -0,0 +1,13 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![crate_type = "staticlib"]
+extern crate b;
+extern crate a;