Remove support for self-opening

This was only used for linkage test cases, which is already covered by
the run-make-fulldeps/symbol-visibility test -- which fairly extensively makes
sure we're correctly exporting the right symbols at the right visibility (for
various Rust crate types).

3 files changed, 1 insertions, 49 deletions

diff --git a/src/test/run-make-fulldeps/extern-fn-reachable/main.rs b/src/test/run-make-fulldeps/extern-fn-reachable/main.rs
index a9d28d1bebe..c1de6477585 100644
--- a/src/test/run-make-fulldeps/extern-fn-reachable/main.rs
+++ b/src/test/run-make-fulldeps/extern-fn-reachable/main.rs
@@ -8,7 +8,7 @@ use std::path::Path;
 pub fn main() {
     unsafe {
         let path = Path::new("libdylib.so");
-        let a = DynamicLibrary::open(Some(&path)).unwrap();
+        let a = DynamicLibrary::open(&path).unwrap();
         assert!(a.symbol::<isize>("fun1").is_ok());
         assert!(a.symbol::<isize>("fun2").is_ok());
         assert!(a.symbol::<isize>("fun3").is_ok());
diff --git a/src/test/ui-fulldeps/auxiliary/linkage-visibility.rs b/src/test/ui-fulldeps/auxiliary/linkage-visibility.rs
deleted file mode 100644
index 837ed1f002f..00000000000
--- a/src/test/ui-fulldeps/auxiliary/linkage-visibility.rs
+++ /dev/null
@@ -1,35 +0,0 @@
-// ignore-musl - dlsym doesn't see symbols without "-C link-arg=-Wl,--export-dynamic"
-
-#![feature(rustc_private)]
-
-extern crate rustc_metadata;
-
-use rustc_metadata::dynamic_lib::DynamicLibrary;
-
-#[no_mangle]
-pub fn foo() {
-    bar();
-}
-
-pub fn foo2<T>() {
-    fn bar2() {
-        bar();
-    }
-    bar2();
-}
-
-#[no_mangle]
-fn bar() {}
-
-#[allow(dead_code)]
-#[no_mangle]
-fn baz() {}
-
-pub fn test() {
-    let lib = DynamicLibrary::open(None).unwrap();
-    unsafe {
-        assert!(lib.symbol::<isize>("foo").is_ok());
-        assert!(lib.symbol::<isize>("baz").is_ok());
-        assert!(lib.symbol::<isize>("bar").is_ok());
-    }
-}
diff --git a/src/test/ui-fulldeps/linkage-visibility.rs b/src/test/ui-fulldeps/linkage-visibility.rs
deleted file mode 100644
index ae46fbc4e8a..00000000000
--- a/src/test/ui-fulldeps/linkage-visibility.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-// run-pass
-// aux-build:linkage-visibility.rs
-// ignore-android: FIXME(#10356)
-// ignore-windows: std::dynamic_lib does not work on Windows well
-// ignore-emscripten no dynamic linking
-
-extern crate linkage_visibility as foo;
-
-pub fn main() {
-    foo::test();
-    foo::foo2::<isize>();
-    foo::foo();
-}