message: run fullmir tests against rustc; add output explaining what is being tested
diff: @@ -3,7 +3,15 @@ extern crate compiletest_rs as compiletest;
  use std::path::{PathBuf, Path};
  use std::io::Write;
  +macro_rules! eprintln {
  + ($($arg:tt)*) => {
  + let stderr = std::io::stderr();
  + writeln!(stderr.lock(), $($arg)*).unwrap();
  + }
  +}
  +
  fn compile_fail(sysroot: &Path, path: &str, target: &str, host: &str, fullmir: bool) {
  + eprintln!("## Running compile-fail tests in {} against miri for target {}", path, target);
  let mut config = compiletest::default_config();
  config.mode = "compile-fail".parse().expect("Invalid mode");
  config.rustc_path = "target/debug/miri".into();
  @@ -23,16 +31,18 @@ fn compile_fail(sysroot: &Path, path: &str, target: &str, host: &str, fullmir: b
  compiletest::run_tests(&config);
  }
  -fn run_pass() {
  +fn run_pass(path: &str) {
  + eprintln!("## Running run-pass tests in {} against rustc", path);
  let mut config = compiletest::default_config();
  config.mode = "run-pass".parse().expect("Invalid mode");
  - config.src_base = PathBuf::from("tests/run-pass".to_string());
  + config.src_base = PathBuf::from(path);
  config.target_rustcflags = Some("-Dwarnings".to_string());
  config.host_rustcflags = Some("-Dwarnings".to_string());
  compiletest::run_tests(&config);
  }
  fn miri_pass(path: &str, target: &str, host: &str, fullmir: bool) {
  + eprintln!("## Running run-pass tests in {} against miri for target {}", path, target);
  let mut config = compiletest::default_config();
  config.mode = "mir-opt".parse().expect("Invalid mode");
  config.src_base = PathBuf::from(path);
  @@ -65,13 +75,10 @@ fn is_target_dir<P: Into<PathBuf>>(path: P) -> bool {
  fn for_all_targets<F: FnMut(String)>(sysroot: &Path, mut f: F) {
  let target_dir = sysroot.join("lib").join("rustlib");
  - println!("target dir: {}", target_dir.to_str().unwrap());
  for entry in std::fs::read_dir(target_dir).expect("invalid sysroot") {
  let entry = entry.unwrap();
  if !is_target_dir(entry.path()) { continue; }
  let target = entry.file_name().into_string().unwrap();
  - let stderr = std::io::stderr();
  - writeln!(stderr.lock(), "running tests for target {}", target).unwrap();
  f(target);
  }
  }
  @@ -209,7 +216,8 @@ fn compile_test() {
  panic!("ran miri on rustc test suite. Test failing for convenience");
  } else {
  - run_pass();
  + run_pass("tests/run-pass");
  + run_pass("tests/run-pass-fullmir");
  for_all_targets(sysroot, |target| {
  miri_pass("tests/run-pass", &target, host, false);
  compile_fail(sysroot, "tests/compile-fail", &target, host, false);
  