Add 'ignore-cloudabi' to tests that don't and won't build on CloudABI.

It looks like many of these tests are already disabled on emscripten,
which also doesn't seem to support environment variables and subprocess
spawning. Just add a similar tag for CloudABI. While there, sort some of
the lists of operating systems alphabetically.

src/test/codegen/dllimports/main.rs

@@ -9,19 +9,20 @@
 // except according to those terms.
 
 // This test is for *-windows-msvc only.
-// ignore-gnu
 // ignore-android
 // ignore-bitrig
-// ignore-macos
+// ignore-cloudabi
 // ignore-dragonfly
+// ignore-emscripten
 // ignore-freebsd
+// ignore-gnu
 // ignore-haiku
 // ignore-ios
 // ignore-linux
+// ignore-macos
 // ignore-netbsd
 // ignore-openbsd
 // ignore-solaris
-// ignore-emscripten
 
 // aux-build:dummy.rs
 // aux-build:wrapper.rs

src/test/codegen/panic-abort-windows.rs

@@ -13,16 +13,17 @@
 // This test is for *-windows-msvc only.
 // ignore-android
 // ignore-bitrig
-// ignore-macos
+// ignore-cloudabi
 // ignore-dragonfly
+// ignore-emscripten
 // ignore-freebsd
 // ignore-haiku
 // ignore-ios
 // ignore-linux
+// ignore-macos
 // ignore-netbsd
 // ignore-openbsd
 // ignore-solaris
-// ignore-emscripten
 
 // compile-flags: -C no-prepopulate-passes -C panic=abort -O
 

src/test/compile-fail/E0277.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::path
+
 use std::path::Path;
 
 trait Foo {

src/test/compile-fail/cdylib-deps-must-be-static.rs

@@ -11,6 +11,7 @@
 // error-pattern: crate `cdylib_dep` required to be available in rlib format, but was not found
 // aux-build:cdylib-dep.rs
 // ignore-musl
+// ignore-cloudabi
 // ignore-emscripten
 
 #![crate_type = "cdylib"]

src/test/compile-fail/issue-13352.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::process
+
 fn foo(_: Box<FnMut()>) {}
 
 fn main() {

src/test/compile-fail/issue-37665.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z unstable-options --unpretty=mir
+// ignore-cloudabi no std::path
 
 use std::path::MAIN_SEPARATOR;
 

src/test/compile-fail/panic-runtime/abort-link-to-unwind-dylib.rs

@@ -10,6 +10,7 @@
 
 // compile-flags:-C panic=abort -C prefer-dynamic
 // ignore-musl - no dylibs here
+// ignore-cloudabi
 // ignore-emscripten
 // error-pattern:`panic_unwind` is not compiled with this crate's panic strategy
 

src/test/parse-fail/mod_file_not_exist_windows.rs

@@ -8,19 +8,20 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-gnu
 // ignore-android
 // ignore-bitrig
-// ignore-macos
+// ignore-cloudabi
 // ignore-dragonfly
+// ignore-emscripten
 // ignore-freebsd
+// ignore-gnu
 // ignore-haiku
 // ignore-ios
 // ignore-linux
+// ignore-macos
 // ignore-netbsd
 // ignore-openbsd
 // ignore-solaris
-// ignore-emscripten
 
 // compile-flags: -Z parse-only
 

src/test/run-fail/mir_dynamic_drops_1.rs

@@ -7,9 +7,10 @@
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
+
 // error-pattern:drop 1
 // error-pattern:drop 2
-
+// ignore-cloudabi no std::process
 
 /// Structure which will not allow to be dropped twice.
 struct Droppable<'a>(&'a mut bool, u32);

src/test/run-fail/mir_dynamic_drops_2.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // error-pattern:drop 1
-
+// ignore-cloudabi no std::process
 
 /// Structure which will not allow to be dropped twice.
 struct Droppable<'a>(&'a mut bool, u32);

src/test/run-fail/mir_dynamic_drops_3.rs

@@ -12,7 +12,7 @@
 // error-pattern:drop 3
 // error-pattern:drop 2
 // error-pattern:drop 1
-
+// ignore-cloudabi no std::process
 
 /// Structure which will not allow to be dropped twice.
 struct Droppable<'a>(&'a mut bool, u32);

src/test/run-fail/mir_trans_no_landing_pads.rs

@@ -10,6 +10,8 @@
 
 // compile-flags: -Z no-landing-pads -C codegen-units=1
 // error-pattern:converging_fn called
+// ignore-cloudabi no std::process
+
 use std::io::{self, Write};
 
 struct Droppable;

src/test/run-fail/mir_trans_no_landing_pads_diverging.rs

@@ -10,6 +10,8 @@
 
 // compile-flags: -Z no-landing-pads -C codegen-units=1
 // error-pattern:diverging_fn called
+// ignore-cloudabi no std::process
+
 use std::io::{self, Write};
 
 struct Droppable;

src/test/run-fail/tls-exit-status.rs

@@ -10,6 +10,7 @@
 
 // error-pattern:nonzero
 // exec-env:RUST_NEWRT=1
+// ignore-cloudabi no std::env
 
 use std::env;
 

src/test/run-pass-valgrind/exit-flushes.rs

@@ -9,9 +9,10 @@
 // except according to those terms.
 
 // no-prefer-dynamic
+// ignore-cloudabi
+// ignore-emscripten
 // ignore-macos this needs valgrind 3.11 or higher; see
 // https://github.com/rust-lang/rust/pull/30365#issuecomment-165763679
-// ignore-emscripten
 
 use std::env;
 use std::process::{exit, Command};

src/test/run-pass/abort-on-c-abi.rs

@@ -11,6 +11,7 @@
 // Since we mark some ABIs as "nounwind" to LLVM, we must make sure that
 // we never unwind through them.
 
+// ignore-cloudabi no env and process
 // ignore-emscripten no processes
 
 use std::{env, panic};

src/test/run-pass/atomic-print.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no process support
 // ignore-emscripten no threads support
 
 use std::{env, fmt, process, sync, thread};

src/test/run-pass/backtrace-debuginfo.rs

@@ -17,6 +17,7 @@
 
 // compile-flags:-g -Cllvm-args=-enable-tail-merge=0
 // ignore-pretty issue #37195
+// ignore-cloudabi spawning processes is not supported
 // ignore-emscripten spawning processes is not supported
 
 use std::env;

src/test/run-pass/backtrace.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // ignore-android FIXME #17520
+// ignore-cloudabi spawning processes is not supported
 // ignore-emscripten spawning processes is not supported
 // ignore-openbsd no support for libbacktrace without filename
 // compile-flags:-g

src/test/run-pass/cfg-family.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // pretty-expanded FIXME #23616
+// ignore-cloudabi no target_family
 // ignore-wasm32-bare no target_family
 
 #[cfg(windows)]

src/test/run-pass/cfg-target-family.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no target_family
 // ignore-wasm32-bare no target_family
 
 // pretty-expanded FIXME #23616

src/test/run-pass/cleanup-shortcircuit.rs

@@ -11,6 +11,7 @@
 // Test that cleanups for the RHS of shortcircuiting operators work.
 
 // pretty-expanded FIXME #23616
+// ignore-cloudabi no std::env support
 
 use std::env;
 

src/test/run-pass/command-before-exec.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // ignore-windows - this is a unix-specific test
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 #![feature(process_exec, libc)]

src/test/run-pass/command-exec.rs

@@ -10,6 +10,7 @@
 
 // ignore-windows - this is a unix-specific test
 // ignore-pretty issue #37199
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 #![feature(process_exec)]

src/test/run-pass/core-run-destroy.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags:--test
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 // NB: These tests kill child processes. Valgrind sees these children as leaking

src/test/run-pass/env-args-reverse-iterator.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::env::args;

src/test/run-pass/env-funky-keys.rs

@@ -12,6 +12,7 @@
 
 // ignore-android
 // ignore-windows
+// ignore-cloudabi no execve
 // ignore-emscripten no execve
 // no-prefer-dynamic
 

src/test/run-pass/env-home-dir.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no environment variables present
 // ignore-emscripten env vars don't work?
 
 #![feature(path)]

src/test/run-pass/env-vars.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no env vars
 // ignore-wasm32-bare no env vars
 
 use std::env::*;

src/test/run-pass/exec-env.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // exec-env:TEST_EXEC_ENV=22
+// ignore-cloudabi no env vars
 // ignore-emscripten FIXME: issue #31622
 
 use std::env;

src/test/run-pass/fds-are-cloexec.rs

@@ -10,6 +10,7 @@
 
 // ignore-windows
 // ignore-android
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 // ignore-haiku
 

src/test/run-pass/intrinsic-alignment.rs

@@ -19,14 +19,15 @@ mod rusti {
     }
 }
 
-#[cfg(any(target_os = "linux",
-          target_os = "macos",
-          target_os = "freebsd",
+#[cfg(any(target_os = "cloudabi",
           target_os = "dragonfly",
+          target_os = "emscripten",
+          target_os = "freebsd",
+          target_os = "linux",
+          target_os = "macos",
           target_os = "netbsd",
           target_os = "openbsd",
-          target_os = "solaris",
-          target_os = "emscripten"))]
+          target_os = "solaris"))]
 mod m {
     #[main]
     #[cfg(target_arch = "x86")]

src/test/run-pass/issue-10626.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 // Make sure that if a process doesn't have its stdio/stderr descriptors set up

src/test/run-pass/issue-12133-3.rs

@@ -11,8 +11,9 @@
 // aux-build:issue-12133-rlib.rs
 // aux-build:issue-12133-dylib.rs
 // aux-build:issue-12133-dylib2.rs
-// ignore-musl
+// ignore-cloudabi no dylib support
 // ignore-emscripten no dylib support
+// ignore-musl
 
 // pretty-expanded FIXME #23616
 

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

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

src/test/run-pass/issue-14456.rs

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

src/test/run-pass/issue-14940.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::env;

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

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::process::Command;

src/test/run-pass/issue-17121.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // pretty-expanded FIXME #23616
+// ignore-cloudabi no std::fs
 
 use std::fs::File;
 use std::io::{self, BufReader, Read};

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

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

src/test/run-pass/issue-20644.rs

@@ -12,6 +12,7 @@
 // had to do with trans ignoring binders.
 
 // pretty-expanded FIXME #23616
+// ignore-cloudabi no std::fs
 
 #![feature(os)]
 

src/test/run-pass/issue-20797.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::fs
+
 // Regression test for #20797.
 
 use std::default::Default;

src/test/run-pass/issue-2214.rs

@@ -34,7 +34,7 @@ mod m {
 
     #[link_name = "m"]
     extern {
-        #[cfg(unix)]
+        #[cfg(any(unix, target_os = "cloudabi"))]
         #[link_name="lgamma_r"]
         pub fn lgamma(n: c_double, sign: &mut c_int) -> c_double;
         #[cfg(windows)]

src/test/run-pass/issue-22577.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // pretty-expanded FIXME #23616
+// ignore-cloudabi no std::fs
 
 #![feature(fs, net)]
 

src/test/run-pass/issue-23036.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::path
+
 use std::collections::HashMap;
 use std::path::Path;
 

src/test/run-pass/issue-23649-2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::path
+
 use std::collections::HashMap;
 use std::path::{Path, PathBuf};
 

src/test/run-pass/issue-24313.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no threads
 
 use std::thread;

src/test/run-pass/issue-27859.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::env
 // ignore-wasm32 issue 42629
 
 #[inline(never)]

src/test/run-pass/issue-30490.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 // Previously libstd would set stdio descriptors of a child process

src/test/run-pass/issue-33770.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::process::{Command, Stdio};

src/test/run-pass/issue-4541.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::env
+
 fn parse_args() -> String {
     let args: Vec<_> = ::std::env::args().collect();
     let mut n = 0;

src/test/run-pass/issue-4542.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // pretty-expanded FIXME #23616
+// ignore-cloudabi no std::env
 
 use std::env;
 

src/test/run-pass/issue-45731.rs

@@ -10,11 +10,11 @@
 
 // compile-flags:--test -g
 
-use std::{env, panic, fs};
-
 #[cfg(target_os = "macos")]
 #[test]
 fn simple_test() {
+    use std::{env, panic, fs};
+
     // Find our dSYM and replace the DWARF binary with an empty file
     let mut dsym_path = env::current_exe().unwrap();
     let executable_name = dsym_path.file_name().unwrap().to_str().unwrap().to_string();

src/test/run-pass/multi-panic.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 fn check_for_no_backtrace(test: std::process::Output) {

src/test/run-pass/no-stdio.rs

@@ -8,8 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-emscripten no processes
 // ignore-android
+// ignore-cloudabi no processes
+// ignore-emscripten no processes
 
 #![feature(libc)]
 

src/test/run-pass/out-of-stack.rs

@@ -10,6 +10,7 @@
 
 // ignore-android: FIXME (#20004)
 // ignore-musl
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 #![feature(asm)]

src/test/run-pass/panic-runtime/abort-link-to-unwinding-crates.rs

@@ -11,6 +11,7 @@
 // compile-flags:-C panic=abort
 // aux-build:exit-success-if-unwind.rs
 // no-prefer-dynamic
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 extern crate exit_success_if_unwind;

src/test/run-pass/panic-runtime/abort.rs

@@ -10,6 +10,7 @@
 
 // compile-flags:-C panic=abort
 // no-prefer-dynamic
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::process::Command;

src/test/run-pass/panic-runtime/lto-abort.rs

@@ -10,6 +10,7 @@
 
 // compile-flags:-C lto -C panic=abort
 // no-prefer-dynamic
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::process::Command;

src/test/run-pass/panic-runtime/lto-unwind.rs

@@ -10,6 +10,7 @@
 
 // compile-flags:-C lto -C panic=unwind
 // no-prefer-dynamic
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::process::Command;

src/test/run-pass/paths-containing-nul.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no files or I/O
 // ignore-wasm32-bare no files or I/O
 
 use std::fs;

src/test/run-pass/print-stdout-eprint-stderr.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi spawning processes is not supported
 // ignore-emscripten spawning processes is not supported
 
 use std::{env, process};

src/test/run-pass/process-envs.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::process::Command;

src/test/run-pass/process-exit.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::env;

src/test/run-pass/process-remove-from-env.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::process::Command;

src/test/run-pass/process-sigpipe.rs

@@ -18,6 +18,7 @@
 // (instead of running forever), and that it does not print an error
 // message about a broken pipe.
 
+// ignore-cloudabi no subprocesses support
 // ignore-emscripten no threads support
 
 use std::process;

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

@@ -16,6 +16,7 @@
 // non-ASCII characters.  The child process ensures all the strings are
 // intact.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::io::prelude::*;

src/test/run-pass/process-status-inherits-stdin.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::env;

src/test/run-pass/rec-align-u64.rs

@@ -38,14 +38,15 @@ struct Outer {
 }
 
 
-#[cfg(any(target_os = "linux",
-          target_os = "macos",
-          target_os = "freebsd",
+#[cfg(any(target_os = "cloudabi",
           target_os = "dragonfly",
+          target_os = "emscripten",
+          target_os = "freebsd",
+          target_os = "linux",
+          target_os = "macos",
           target_os = "netbsd",
           target_os = "openbsd",
-          target_os = "solaris",
-          target_os = "emscripten"))]
+          target_os = "solaris"))]
 mod m {
     #[cfg(target_arch = "x86")]
     pub mod m {

src/test/run-pass/rfc-1014.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi stdout does not map to file descriptor 1 by default
 // ignore-wasm32-bare no libc
 
 #![feature(libc)]

src/test/run-pass/running-with-no-runtime.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi spawning processes is not supported
 // ignore-emscripten spawning processes is not supported
 
 #![feature(start)]

src/test/run-pass/segfault-no-out-of-stack.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi can't run commands
 // ignore-emscripten can't run commands
 
 #![feature(libc)]

src/test/run-pass/signal-alternate-stack-cleanup.rs

@@ -12,8 +12,9 @@
 // main thread exit while still being in use by signal handlers. This test
 // triggers this situation by sending signal from atexit handler.
 //
-// ignore-windows
+// ignore-cloudabi no signal handling support
 // ignore-wasm32-bare no libc
+// ignore-windows
 
 #![feature(libc)]
 extern crate libc;

src/test/run-pass/signal-exit-status.rs

@@ -8,8 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-windows
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
+// ignore-windows
 
 use std::env;
 use std::process::Command;

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

@@ -11,6 +11,7 @@
 // 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-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::env;

src/test/run-pass/sse2.rs

@@ -7,7 +7,9 @@
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
+
 // min-llvm-version 4.0
+// ignore-cloudabi no std::env
 
 #![feature(cfg_target_feature)]
 

src/test/run-pass/stack-probes-lto.rs

@@ -11,6 +11,7 @@
 // ignore-arm
 // ignore-aarch64
 // ignore-wasm
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 // ignore-musl FIXME #31506
 // ignore-pretty

src/test/run-pass/stack-probes.rs

@@ -11,6 +11,7 @@
 // ignore-arm
 // ignore-aarch64
 // ignore-wasm
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 // ignore-musl FIXME #31506
 // no-system-llvm

src/test/run-pass/stdio-is-blocking.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no processes
 // ignore-emscripten no processes
 
 use std::env;

src/test/run-pass/sync-send-in-std.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi networking not available
 // ignore-wasm32-bare networking not available
 
 #![feature(lookup_host)]

src/test/run-pass/tcp-stress.rs

@@ -10,9 +10,10 @@
 
 // ignore-android needs extra network permissions
 // ignore-bitrig system ulimit (Too many open files)
+// ignore-cloudabi no global network namespace access
+// ignore-emscripten no threads or sockets support
 // ignore-netbsd system ulimit (Too many open files)
 // ignore-openbsd system ulimit (Too many open files)
-// ignore-emscripten no threads or sockets support
 
 use std::io::prelude::*;
 use std::net::{TcpListener, TcpStream};

src/test/run-pass/try-operator.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::fs
+
 use std::fs::File;
 use std::io::{Read, self};
 use std::num::ParseIntError;

src/test/run-pass/try-wait.rs

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

src/test/run-pass/wait-forked-but-failed-child.rs

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

src/test/run-pass/weird-exit-code.rs

@@ -17,13 +17,10 @@
 // Note that this is disabled on unix as processes exiting with 259 will have
 // their exit status truncated to 3 (only the lower 8 bits are used).
 
-use std::process::{self, Command};
-use std::env;
-
+#[cfg(windows)]
 fn main() {
-    if !cfg!(windows) {
-        return
-    }
+    use std::process::{self, Command};
+    use std::env;
 
     if env::args().len() == 1 {
         let status = Command::new(env::current_exe().unwrap())
@@ -35,3 +32,6 @@ fn main() {
         process::exit(259);
     }
 }
+
+#[cfg(not(windows))]
+fn main() {}

src/test/run-pass/x86stdcall.rs

@@ -32,14 +32,15 @@ pub fn main() {
     }
 }
 
-#[cfg(any(target_os = "macos",
-          target_os = "linux",
-          target_os = "freebsd",
-          target_os = "dragonfly",
+#[cfg(any(target_os = "android",
           target_os = "bitrig",
+          target_os = "cloudabi",
+          target_os = "dragonfly",
+          target_os = "emscripten",
+          target_os = "freebsd",
+          target_os = "linux",
+          target_os = "macos",
           target_os = "netbsd",
           target_os = "openbsd",
-          target_os = "android",
-          target_os = "solaris",
-          target_os = "emscripten"))]
+          target_os = "solaris"))]
 pub fn main() { }

src/test/ui/issue-46576.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::fs support
+
 #![allow(dead_code)]
 #![deny(unused_imports)]
 

src/test/ui/lint/use_suggestion_json.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi
 // compile-flags: --error-format pretty-json -Zunstable-options
 
 // The output for humans should just highlight the whole span without showing

src/test/ui/mismatched_types/recovered-block.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::env support
+
 use std::env;
 
 pub struct Foo {

src/test/ui/resolve/token-error-correct-3.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::fs support
+
 // Test that we do some basic error correcton in the tokeniser (and don't spew
 // too many bogus errors).
 

src/test/ui/resolve/use_suggestion_placement.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::path support
+
 macro_rules! y {
     () => {}
 }

src/test/ui/span/issue-33884.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::net support
+
 use std::net::TcpListener;
 use std::net::TcpStream;
 use std::io::{self, Read, Write};

src/test/ui/suggestions/try-operator-on-main.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-cloudabi no std::fs support
+
 #![feature(try_trait)]
 
 use std::ops::Try;