---

yaml
---
r: 150064
b: refs/heads/try2
c: 3301223
h: refs/heads/master
v: v3

Author: nrc

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: 083d423976359c3a0222907b588df534cfc17a28
+refs/heads/try2: 3301223c99574d53bbdcd06ac85b3cec255128e0
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/test/auxiliary/linkage1.rs

@@ -10,3 +10,5 @@
 
 #[no_mangle]
 pub static foo: int = 3;
+
+pub fn bar() {}

branches/try2/src/test/run-pass/linkage1.rs

@@ -26,6 +26,13 @@ extern {
 }
 
 fn main() {
+    // It appears that the --as-needed flag to linkers will not pull in a dynamic
+    // library unless it satisfies a non weak undefined symbol. The 'other' crate
+    // is compiled as a dynamic library where it would only be used for a
+    // weak-symbol as part of an executable, so the dynamic library woudl be
+    // discarded. By adding and calling `other::bar`, we get around this problem.
+    other::bar();
+
     assert!(!foo.is_null());
     assert_eq!(unsafe { *foo }, 3);
     assert!(something_that_should_never_exist.is_null());