mirror of https://github.com/rust-lang/rust.git
90 lines
2.8 KiB
Rust
90 lines
2.8 KiB
Rust
//@ edition: 2021
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//@ run-pass
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//@ run-flags: {{sysroot-base}} {{target-linker}}
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//@ ignore-stage1 (requires matching sysroot built with in-tree compiler)
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// Regression test for <https://github.com/rust-lang/rust/issues/19371>.
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//
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// This test ensures that `compile_input` can be called twice in one task
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// without causing a panic.
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#![feature(rustc_private)]
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extern crate rustc_driver;
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extern crate rustc_interface;
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extern crate rustc_session;
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extern crate rustc_span;
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use std::path::{Path, PathBuf};
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use rustc_interface::Linker;
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use rustc_interface::interface;
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use rustc_session::config::{Input, Options, OutFileName, OutputType, OutputTypes};
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use rustc_span::FileName;
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fn main() {
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let src = r#"
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fn main() {}
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"#;
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let args: Vec<String> = std::env::args().collect();
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if args.len() < 2 {
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panic!("expected sysroot (and optional linker)");
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}
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let sysroot = PathBuf::from(&args[1]);
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let linker = args.get(2).map(PathBuf::from);
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// compiletest sets the current dir to `output_base_dir` when running.
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let tmpdir = std::env::current_dir().unwrap().join("tmp");
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std::fs::create_dir_all(&tmpdir).unwrap();
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compile(src.to_string(), tmpdir.join("out"), sysroot.clone(), linker.as_deref());
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compile(src.to_string(), tmpdir.join("out"), sysroot.clone(), linker.as_deref());
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}
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fn compile(code: String, output: PathBuf, sysroot: PathBuf, linker: Option<&Path>) {
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let mut opts = Options::default();
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opts.output_types = OutputTypes::new(&[(OutputType::Exe, None)]);
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opts.maybe_sysroot = Some(sysroot);
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if let Some(linker) = linker {
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opts.cg.linker = Some(linker.to_owned());
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}
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let name = FileName::anon_source_code(&code);
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let input = Input::Str { name, input: code };
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let config = interface::Config {
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opts,
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crate_cfg: Default::default(),
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crate_check_cfg: Default::default(),
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input,
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output_file: Some(OutFileName::Real(output)),
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output_dir: None,
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ice_file: None,
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file_loader: None,
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locale_resources: &[],
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lint_caps: Default::default(),
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psess_created: None,
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hash_untracked_state: None,
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register_lints: None,
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override_queries: None,
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make_codegen_backend: None,
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registry: rustc_driver::diagnostics_registry(),
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using_internal_features: std::sync::Arc::default(),
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expanded_args: Default::default(),
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};
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interface::run_compiler(config, |compiler| {
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let linker = compiler.enter(|queries| {
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queries.global_ctxt()?.enter(|tcx| {
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tcx.analysis(())?;
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Linker::codegen_and_build_linker(tcx, &*compiler.codegen_backend)
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})
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});
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linker.unwrap().link(&compiler.sess, &*compiler.codegen_backend).unwrap();
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});
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}
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