diff --git a/src/liblibc b/src/liblibc
index 1a2f9639f8d29..ef9eefb6df3f3 160000
--- a/src/liblibc
+++ b/src/liblibc
@@ -1 +1 @@
-Subproject commit 1a2f9639f8d293cefbe050053a574decbfe863f7
+Subproject commit ef9eefb6df3f3a2cb989e8050519661faa7d7118
diff --git a/src/libstd/os/raw.rs b/src/libstd/os/raw.rs
index 95439640f7cc5..279caf8053a85 100644
--- a/src/libstd/os/raw.rs
+++ b/src/libstd/os/raw.rs
@@ -22,6 +22,7 @@ use fmt;
           all(target_os = "android", any(target_arch = "aarch64",
                                          target_arch = "arm")),
           all(target_os = "l4re", target_arch = "x86_64"),
+          all(target_os = "openbsd", target_arch = "aarch64"),
           all(target_os = "fuchsia", target_arch = "aarch64")))]
 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_char = u8;
 #[cfg(not(any(all(target_os = "linux", any(target_arch = "aarch64",
@@ -32,6 +33,7 @@ use fmt;
               all(target_os = "android", any(target_arch = "aarch64",
                                              target_arch = "arm")),
               all(target_os = "l4re", target_arch = "x86_64"),
+              all(target_os = "openbsd", target_arch = "aarch64"),
               all(target_os = "fuchsia", target_arch = "aarch64"))))]
 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_char = i8;
 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_schar = i8;