Update libc crate to 0.2.30

Import subrepo libc/:libc at 3520512a8c9cb55661910318a6fb169a75c02a59

1 files changed, 0 insertions, 37 deletions

diff --git a/libc/src/macros.rs b/libc/src/macros.rs
index 5811c84..8429442 100644
--- a/libc/src/macros.rs
+++ b/libc/src/macros.rs
@@ -69,40 +69,3 @@ macro_rules! f {
 macro_rules! __item {
     ($i:item) => ($i)
 }
-
-#[cfg(test)]
-mod tests {
-    cfg_if! {
-        if #[cfg(test)] {
-            use std::option::Option as Option2;
-            fn works1() -> Option2<u32> { Some(1) }
-        } else {
-            fn works1() -> Option<u32> { None }
-        }
-    }
-
-    cfg_if! {
-        if #[cfg(foo)] {
-            fn works2() -> bool { false }
-        } else if #[cfg(test)] {
-            fn works2() -> bool { true }
-        } else {
-            fn works2() -> bool { false }
-        }
-    }
-
-    cfg_if! {
-        if #[cfg(foo)] {
-            fn works3() -> bool { false }
-        } else {
-            fn works3() -> bool { true }
-        }
-    }
-
-    #[test]
-    fn it_works() {
-        assert!(works1().is_some());
-        assert!(works2());
-        assert!(works3());
-    }
-}