Stop parsing ui_test annotations in run-dep mode

Author: oli-obk

src/tools/miri/Cargo.lock

@@ -842,9 +842,9 @@ dependencies = [
 
 [[package]]
 name = "ui_test"
-version = "0.11.6"
+version = "0.11.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24a2e70adc9d18b9b4dd80ea57aeec447103c6fbb354a07c080adad451c645e1"
+checksum = "c21899b59f53717dfad29e4f46e5b21a200a1b6888ab86532a07cfc8b48dd78c"
 dependencies = [
  "bstr",
  "cargo-platform",

src/tools/miri/Cargo.toml

@@ -36,7 +36,7 @@ libloading = "0.7"
 
 [dev-dependencies]
 colored = "2"
-ui_test = "0.11.6"
+ui_test = "0.11.7"
 rustc_version = "0.4"
 # Features chosen to match those required by env_logger, to avoid rebuilds
 regex = { version = "1.5.5", default-features = false, features = ["perf", "std"] }

src/tools/miri/tests/compiletest.rs

@@ -274,13 +274,20 @@ fn main() -> Result<()> {
 fn run_dep_mode(target: String, mut args: impl Iterator<Item = OsString>) -> Result<()> {
     let path = args.next().expect("./miri run-dep must be followed by a file name");
     let mut config = test_config(&target, "", Mode::Yolo, /* with dependencies */ true);
-    config.program.args.remove(0); // remove the `--error-format=json` argument
-    config.program.args.push("--color".into());
-    config.program.args.push("always".into());
-    let mut cmd = ui_test::test_command(config, Path::new(&path))?;
-    // Separate the arguments to the `cargo miri` invocation from
-    // the arguments to the interpreted prog
-    cmd.arg("--");
+    config.program.args.clear(); // We want to give the user full control over flags
+    config.build_dependencies_and_link_them()?;
+
+    if let Ok(extra_flags) = env::var("MIRIFLAGS") {
+        for flag in extra_flags.split_whitespace() {
+            config.program.args.push(flag.into());
+        }
+    }
+    let mut cmd = config.program.build(&config.out_dir);
+
+    cmd.arg("--color").arg("always");
+    cmd.arg(path);
+
     cmd.args(args);
+    println!("Running {cmd:?}");
     if cmd.spawn()?.wait()?.success() { Ok(()) } else { std::process::exit(1) }
 }