[dependencies]
core = { path = "../libcore" }
-libc = { version = "0.2.43", features = ['rustc-dep-of-std'], default-features = false }
+libc = { version = "0.2.51", features = ['rustc-dep-of-std'], default-features = false }
compiler_builtins = "0.1.0"
cfg-if = "0.1.8"