Unskip some tests on AArch64

src/test/run-pass/foreign-call-no-runtime.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-aarch64
 // ignore-emscripten no threads support
 
 #![feature(libc)]

src/test/run-pass/issue-13304.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-aarch64
 // ignore-emscripten
 #![feature(io, process_capture)]
 

src/test/run-pass/issue-16272.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-aarch64
 // ignore-emscripten
 
 use std::process::Command;

src/test/run-pass/issue-20091.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-aarch64
 // ignore-emscripten
 #![feature(std_misc, os)]
 

src/test/run-pass/process-spawn-with-unicode-params.rs

@@ -16,7 +16,6 @@
 // non-ASCII characters.  The child process ensures all the strings are
 // intact.
 
-// ignore-aarch64
 // ignore-emscripten
 
 use std::io::prelude::*;

src/test/run-pass/sigpipe-should-be-ignored.rs

@@ -11,7 +11,6 @@
 // Be sure that when a SIGPIPE would have been received that the entire process
 // doesn't die in a ball of fire, but rather it's gracefully handled.
 
-// ignore-aarch64
 // ignore-emscripten
 
 use std::env;