compiler/rustc_interface/src/tests.rs

   1 use crate::interface::parse_cfgspecs;
   2
   3 use rustc_data_structures::fx::FxHashSet;
   4 use rustc_errors::{emitter::HumanReadableErrorType, registry, ColorConfig};
   5 use rustc_session::config::Strip;
   6 use rustc_session::config::{build_configuration, build_session_options, to_crate_config};
   7 use rustc_session::config::{rustc_optgroups, ErrorOutputType, ExternLocation, Options, Passes};
   8 use rustc_session::config::{CFGuard, ExternEntry, LinkerPluginLto, LtoCli, SwitchWithOptPath};
   9 use rustc_session::config::{
  10     Externs, OutputType, OutputTypes, SanitizerSet, SymbolManglingVersion, WasiExecModel,
  11 };
  12 use rustc_session::lint::Level;
  13 use rustc_session::search_paths::SearchPath;
  14 use rustc_session::utils::{CanonicalizedPath, NativeLibKind};
  15 use rustc_session::{build_session, getopts, DiagnosticOutput, Session};
  16 use rustc_span::edition::{Edition, DEFAULT_EDITION};
  17 use rustc_span::symbol::sym;
  18 use rustc_span::SourceFileHashAlgorithm;
  19 use rustc_target::spec::{CodeModel, LinkerFlavor, MergeFunctions, PanicStrategy};
  20 use rustc_target::spec::{RelocModel, RelroLevel, SplitDebuginfo, TlsModel};
  21 use std::collections::{BTreeMap, BTreeSet};
  22 use std::iter::FromIterator;
  23 use std::num::NonZeroUsize;
  24 use std::path::{Path, PathBuf};
  25
  26 type CfgSpecs = FxHashSet<(String, Option<String>)>;
  27
  28 fn build_session_options_and_crate_config(matches: getopts::Matches) -> (Options, CfgSpecs) {
  29     let sessopts = build_session_options(&matches);
  30     let cfg = parse_cfgspecs(matches.opt_strs("cfg"));
  31     (sessopts, cfg)
  32 }
  33
  34 fn mk_session(matches: getopts::Matches) -> (Session, CfgSpecs) {
  35     let registry = registry::Registry::new(&[]);
  36     let (sessopts, cfg) = build_session_options_and_crate_config(matches);
  37     let sess = build_session(
  38         sessopts,
  39         None,
  40         registry,
  41         DiagnosticOutput::Default,
  42         Default::default(),
  43         None,
  44         None,
  45     );
  46     (sess, cfg)
  47 }
  48
  49 fn new_public_extern_entry<S, I>(locations: I) -> ExternEntry
  50 where
  51     S: Into<String>,
  52     I: IntoIterator<Item = S>,
  53 {
  54     let locations: BTreeSet<CanonicalizedPath> =
  55         locations.into_iter().map(|s| CanonicalizedPath::new(Path::new(&s.into()))).collect();
  56
  57     ExternEntry {
  58         location: ExternLocation::ExactPaths(locations),
  59         is_private_dep: false,
  60         add_prelude: true,
  61     }
  62 }
  63
  64 fn optgroups() -> getopts::Options {
  65     let mut opts = getopts::Options::new();
  66     for group in rustc_optgroups() {
  67         (group.apply)(&mut opts);
  68     }
  69     return opts;
  70 }
  71
  72 fn mk_map<K: Ord, V>(entries: Vec<(K, V)>) -> BTreeMap<K, V> {
  73     BTreeMap::from_iter(entries.into_iter())
  74 }
  75
  76 // When the user supplies --test we should implicitly supply --cfg test
  77 #[test]
  78 fn test_switch_implies_cfg_test() {
  79     rustc_span::with_default_session_globals(|| {
  80         let matches = optgroups().parse(&["--test".to_string()]).unwrap();
  81         let (sess, cfg) = mk_session(matches);
  82         let cfg = build_configuration(&sess, to_crate_config(cfg));
  83         assert!(cfg.contains(&(sym::test, None)));
  84     });
  85 }
  86
  87 // When the user supplies --test and --cfg test, don't implicitly add another --cfg test
  88 #[test]
  89 fn test_switch_implies_cfg_test_unless_cfg_test() {
  90     rustc_span::with_default_session_globals(|| {
  91         let matches = optgroups().parse(&["--test".to_string(), "--cfg=test".to_string()]).unwrap();
  92         let (sess, cfg) = mk_session(matches);
  93         let cfg = build_configuration(&sess, to_crate_config(cfg));
  94         let mut test_items = cfg.iter().filter(|&&(name, _)| name == sym::test);
  95         assert!(test_items.next().is_some());
  96         assert!(test_items.next().is_none());
  97     });
  98 }
  99
 100 #[test]
 101 fn test_can_print_warnings() {
 102     rustc_span::with_default_session_globals(|| {
 103         let matches = optgroups().parse(&["-Awarnings".to_string()]).unwrap();
 104         let (sess, _) = mk_session(matches);
 105         assert!(!sess.diagnostic().can_emit_warnings());
 106     });
 107
 108     rustc_span::with_default_session_globals(|| {
 109         let matches =
 110             optgroups().parse(&["-Awarnings".to_string(), "-Dwarnings".to_string()]).unwrap();
 111         let (sess, _) = mk_session(matches);
 112         assert!(sess.diagnostic().can_emit_warnings());
 113     });
 114
 115     rustc_span::with_default_session_globals(|| {
 116         let matches = optgroups().parse(&["-Adead_code".to_string()]).unwrap();
 117         let (sess, _) = mk_session(matches);
 118         assert!(sess.diagnostic().can_emit_warnings());
 119     });
 120 }
 121
 122 #[test]
 123 fn test_output_types_tracking_hash_different_paths() {
 124     let mut v1 = Options::default();
 125     let mut v2 = Options::default();
 126     let mut v3 = Options::default();
 127
 128     v1.output_types = OutputTypes::new(&[(OutputType::Exe, Some(PathBuf::from("./some/thing")))]);
 129     v2.output_types = OutputTypes::new(&[(OutputType::Exe, Some(PathBuf::from("/some/thing")))]);
 130     v3.output_types = OutputTypes::new(&[(OutputType::Exe, None)]);
 131
 132     assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
 133     assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
 134     assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
 135
 136     // Check clone
 137     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 138     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 139     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 140 }
 141
 142 #[test]
 143 fn test_output_types_tracking_hash_different_construction_order() {
 144     let mut v1 = Options::default();
 145     let mut v2 = Options::default();
 146
 147     v1.output_types = OutputTypes::new(&[
 148         (OutputType::Exe, Some(PathBuf::from("./some/thing"))),
 149         (OutputType::Bitcode, Some(PathBuf::from("./some/thing.bc"))),
 150     ]);
 151
 152     v2.output_types = OutputTypes::new(&[
 153         (OutputType::Bitcode, Some(PathBuf::from("./some/thing.bc"))),
 154         (OutputType::Exe, Some(PathBuf::from("./some/thing"))),
 155     ]);
 156
 157     assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
 158
 159     // Check clone
 160     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 161 }
 162
 163 #[test]
 164 fn test_externs_tracking_hash_different_construction_order() {
 165     let mut v1 = Options::default();
 166     let mut v2 = Options::default();
 167     let mut v3 = Options::default();
 168
 169     v1.externs = Externs::new(mk_map(vec![
 170         (String::from("a"), new_public_extern_entry(vec!["b", "c"])),
 171         (String::from("d"), new_public_extern_entry(vec!["e", "f"])),
 172     ]));
 173
 174     v2.externs = Externs::new(mk_map(vec![
 175         (String::from("d"), new_public_extern_entry(vec!["e", "f"])),
 176         (String::from("a"), new_public_extern_entry(vec!["b", "c"])),
 177     ]));
 178
 179     v3.externs = Externs::new(mk_map(vec![
 180         (String::from("a"), new_public_extern_entry(vec!["b", "c"])),
 181         (String::from("d"), new_public_extern_entry(vec!["f", "e"])),
 182     ]));
 183
 184     assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
 185     assert_eq!(v1.dep_tracking_hash(), v3.dep_tracking_hash());
 186     assert_eq!(v2.dep_tracking_hash(), v3.dep_tracking_hash());
 187
 188     // Check clone
 189     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 190     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 191     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 192 }
 193
 194 #[test]
 195 fn test_lints_tracking_hash_different_values() {
 196     let mut v1 = Options::default();
 197     let mut v2 = Options::default();
 198     let mut v3 = Options::default();
 199
 200     v1.lint_opts = vec![
 201         (String::from("a"), Level::Allow),
 202         (String::from("b"), Level::Warn),
 203         (String::from("c"), Level::Deny),
 204         (String::from("d"), Level::Forbid),
 205     ];
 206
 207     v2.lint_opts = vec![
 208         (String::from("a"), Level::Allow),
 209         (String::from("b"), Level::Warn),
 210         (String::from("X"), Level::Deny),
 211         (String::from("d"), Level::Forbid),
 212     ];
 213
 214     v3.lint_opts = vec![
 215         (String::from("a"), Level::Allow),
 216         (String::from("b"), Level::Warn),
 217         (String::from("c"), Level::Forbid),
 218         (String::from("d"), Level::Deny),
 219     ];
 220
 221     assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
 222     assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
 223     assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
 224
 225     // Check clone
 226     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 227     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 228     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 229 }
 230
 231 #[test]
 232 fn test_lints_tracking_hash_different_construction_order() {
 233     let mut v1 = Options::default();
 234     let mut v2 = Options::default();
 235
 236     v1.lint_opts = vec![
 237         (String::from("a"), Level::Allow),
 238         (String::from("b"), Level::Warn),
 239         (String::from("c"), Level::Deny),
 240         (String::from("d"), Level::Forbid),
 241     ];
 242
 243     v2.lint_opts = vec![
 244         (String::from("a"), Level::Allow),
 245         (String::from("c"), Level::Deny),
 246         (String::from("b"), Level::Warn),
 247         (String::from("d"), Level::Forbid),
 248     ];
 249
 250     assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
 251
 252     // Check clone
 253     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 254     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 255 }
 256
 257 #[test]
 258 fn test_search_paths_tracking_hash_different_order() {
 259     let mut v1 = Options::default();
 260     let mut v2 = Options::default();
 261     let mut v3 = Options::default();
 262     let mut v4 = Options::default();
 263
 264     const JSON: ErrorOutputType = ErrorOutputType::Json {
 265         pretty: false,
 266         json_rendered: HumanReadableErrorType::Default(ColorConfig::Never),
 267     };
 268
 269     // Reference
 270     v1.search_paths.push(SearchPath::from_cli_opt("native=abc", JSON));
 271     v1.search_paths.push(SearchPath::from_cli_opt("crate=def", JSON));
 272     v1.search_paths.push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 273     v1.search_paths.push(SearchPath::from_cli_opt("framework=jkl", JSON));
 274     v1.search_paths.push(SearchPath::from_cli_opt("all=mno", JSON));
 275
 276     v2.search_paths.push(SearchPath::from_cli_opt("native=abc", JSON));
 277     v2.search_paths.push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 278     v2.search_paths.push(SearchPath::from_cli_opt("crate=def", JSON));
 279     v2.search_paths.push(SearchPath::from_cli_opt("framework=jkl", JSON));
 280     v2.search_paths.push(SearchPath::from_cli_opt("all=mno", JSON));
 281
 282     v3.search_paths.push(SearchPath::from_cli_opt("crate=def", JSON));
 283     v3.search_paths.push(SearchPath::from_cli_opt("framework=jkl", JSON));
 284     v3.search_paths.push(SearchPath::from_cli_opt("native=abc", JSON));
 285     v3.search_paths.push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 286     v3.search_paths.push(SearchPath::from_cli_opt("all=mno", JSON));
 287
 288     v4.search_paths.push(SearchPath::from_cli_opt("all=mno", JSON));
 289     v4.search_paths.push(SearchPath::from_cli_opt("native=abc", JSON));
 290     v4.search_paths.push(SearchPath::from_cli_opt("crate=def", JSON));
 291     v4.search_paths.push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 292     v4.search_paths.push(SearchPath::from_cli_opt("framework=jkl", JSON));
 293
 294     assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());
 295     assert!(v1.dep_tracking_hash() == v3.dep_tracking_hash());
 296     assert!(v1.dep_tracking_hash() == v4.dep_tracking_hash());
 297
 298     // Check clone
 299     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 300     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 301     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 302     assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
 303 }
 304
 305 #[test]
 306 fn test_native_libs_tracking_hash_different_values() {
 307     let mut v1 = Options::default();
 308     let mut v2 = Options::default();
 309     let mut v3 = Options::default();
 310     let mut v4 = Options::default();
 311
 312     // Reference
 313     v1.libs = vec![
 314         (String::from("a"), None, NativeLibKind::StaticBundle),
 315         (String::from("b"), None, NativeLibKind::Framework),
 316         (String::from("c"), None, NativeLibKind::Unspecified),
 317     ];
 318
 319     // Change label
 320     v2.libs = vec![
 321         (String::from("a"), None, NativeLibKind::StaticBundle),
 322         (String::from("X"), None, NativeLibKind::Framework),
 323         (String::from("c"), None, NativeLibKind::Unspecified),
 324     ];
 325
 326     // Change kind
 327     v3.libs = vec![
 328         (String::from("a"), None, NativeLibKind::StaticBundle),
 329         (String::from("b"), None, NativeLibKind::StaticBundle),
 330         (String::from("c"), None, NativeLibKind::Unspecified),
 331     ];
 332
 333     // Change new-name
 334     v4.libs = vec![
 335         (String::from("a"), None, NativeLibKind::StaticBundle),
 336         (String::from("b"), Some(String::from("X")), NativeLibKind::Framework),
 337         (String::from("c"), None, NativeLibKind::Unspecified),
 338     ];
 339
 340     assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
 341     assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
 342     assert!(v1.dep_tracking_hash() != v4.dep_tracking_hash());
 343
 344     // Check clone
 345     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 346     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 347     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 348     assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
 349 }
 350
 351 #[test]
 352 fn test_native_libs_tracking_hash_different_order() {
 353     let mut v1 = Options::default();
 354     let mut v2 = Options::default();
 355     let mut v3 = Options::default();
 356
 357     // Reference
 358     v1.libs = vec![
 359         (String::from("a"), None, NativeLibKind::StaticBundle),
 360         (String::from("b"), None, NativeLibKind::Framework),
 361         (String::from("c"), None, NativeLibKind::Unspecified),
 362     ];
 363
 364     v2.libs = vec![
 365         (String::from("b"), None, NativeLibKind::Framework),
 366         (String::from("a"), None, NativeLibKind::StaticBundle),
 367         (String::from("c"), None, NativeLibKind::Unspecified),
 368     ];
 369
 370     v3.libs = vec![
 371         (String::from("c"), None, NativeLibKind::Unspecified),
 372         (String::from("a"), None, NativeLibKind::StaticBundle),
 373         (String::from("b"), None, NativeLibKind::Framework),
 374     ];
 375
 376     assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());
 377     assert!(v1.dep_tracking_hash() == v3.dep_tracking_hash());
 378     assert!(v2.dep_tracking_hash() == v3.dep_tracking_hash());
 379
 380     // Check clone
 381     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 382     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 383     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 384 }
 385
 386 #[test]
 387 fn test_codegen_options_tracking_hash() {
 388     let reference = Options::default();
 389     let mut opts = Options::default();
 390
 391     macro_rules! untracked {
 392         ($name: ident, $non_default_value: expr) => {
 393             opts.cg.$name = $non_default_value;
 394             assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 395         };
 396     }
 397
 398     // Make sure that changing an [UNTRACKED] option leaves the hash unchanged.
 399     // This list is in alphabetical order.
 400     untracked!(ar, String::from("abc"));
 401     untracked!(codegen_units, Some(42));
 402     untracked!(default_linker_libraries, true);
 403     untracked!(extra_filename, String::from("extra-filename"));
 404     untracked!(incremental, Some(String::from("abc")));
 405     // `link_arg` is omitted because it just forwards to `link_args`.
 406     untracked!(link_args, vec![String::from("abc"), String::from("def")]);
 407     untracked!(link_dead_code, Some(true));
 408     untracked!(link_self_contained, Some(true));
 409     untracked!(linker, Some(PathBuf::from("linker")));
 410     untracked!(linker_flavor, Some(LinkerFlavor::Gcc));
 411     untracked!(no_stack_check, true);
 412     untracked!(remark, Passes::Some(vec![String::from("pass1"), String::from("pass2")]));
 413     untracked!(rpath, true);
 414     untracked!(save_temps, true);
 415
 416     macro_rules! tracked {
 417         ($name: ident, $non_default_value: expr) => {
 418             opts = reference.clone();
 419             opts.cg.$name = $non_default_value;
 420             assert_ne!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 421         };
 422     }
 423
 424     // Make sure that changing a [TRACKED] option changes the hash.
 425     // This list is in alphabetical order.
 426     tracked!(code_model, Some(CodeModel::Large));
 427     tracked!(control_flow_guard, CFGuard::Checks);
 428     tracked!(debug_assertions, Some(true));
 429     tracked!(debuginfo, 0xdeadbeef);
 430     tracked!(embed_bitcode, false);
 431     tracked!(force_frame_pointers, Some(false));
 432     tracked!(force_unwind_tables, Some(true));
 433     tracked!(inline_threshold, Some(0xf007ba11));
 434     tracked!(linker_plugin_lto, LinkerPluginLto::LinkerPluginAuto);
 435     tracked!(llvm_args, vec![String::from("1"), String::from("2")]);
 436     tracked!(lto, LtoCli::Fat);
 437     tracked!(metadata, vec![String::from("A"), String::from("B")]);
 438     tracked!(no_prepopulate_passes, true);
 439     tracked!(no_redzone, Some(true));
 440     tracked!(no_vectorize_loops, true);
 441     tracked!(no_vectorize_slp, true);
 442     tracked!(opt_level, "3".to_string());
 443     tracked!(overflow_checks, Some(true));
 444     tracked!(panic, Some(PanicStrategy::Abort));
 445     tracked!(passes, vec![String::from("1"), String::from("2")]);
 446     tracked!(prefer_dynamic, true);
 447     tracked!(profile_generate, SwitchWithOptPath::Enabled(None));
 448     tracked!(profile_use, Some(PathBuf::from("abc")));
 449     tracked!(relocation_model, Some(RelocModel::Pic));
 450     tracked!(soft_float, true);
 451     tracked!(split_debuginfo, Some(SplitDebuginfo::Packed));
 452     tracked!(target_cpu, Some(String::from("abc")));
 453     tracked!(target_feature, String::from("all the features, all of them"));
 454 }
 455
 456 #[test]
 457 fn test_debugging_options_tracking_hash() {
 458     let reference = Options::default();
 459     let mut opts = Options::default();
 460
 461     macro_rules! untracked {
 462         ($name: ident, $non_default_value: expr) => {
 463             opts.debugging_opts.$name = $non_default_value;
 464             assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 465         };
 466     }
 467
 468     // Make sure that changing an [UNTRACKED] option leaves the hash unchanged.
 469     // This list is in alphabetical order.
 470     untracked!(ast_json, true);
 471     untracked!(ast_json_noexpand, true);
 472     untracked!(borrowck, String::from("other"));
 473     untracked!(borrowck_stats, true);
 474     untracked!(deduplicate_diagnostics, true);
 475     untracked!(dep_tasks, true);
 476     untracked!(dont_buffer_diagnostics, true);
 477     untracked!(dump_dep_graph, true);
 478     untracked!(dump_mir, Some(String::from("abc")));
 479     untracked!(dump_mir_dataflow, true);
 480     untracked!(dump_mir_dir, String::from("abc"));
 481     untracked!(dump_mir_exclude_pass_number, true);
 482     untracked!(dump_mir_graphviz, true);
 483     untracked!(emit_future_incompat_report, true);
 484     untracked!(emit_stack_sizes, true);
 485     untracked!(hir_stats, true);
 486     untracked!(identify_regions, true);
 487     untracked!(incremental_ignore_spans, true);
 488     untracked!(incremental_info, true);
 489     untracked!(incremental_verify_ich, true);
 490     untracked!(input_stats, true);
 491     untracked!(keep_hygiene_data, true);
 492     untracked!(link_native_libraries, false);
 493     untracked!(llvm_time_trace, true);
 494     untracked!(ls, true);
 495     untracked!(macro_backtrace, true);
 496     untracked!(meta_stats, true);
 497     untracked!(nll_facts, true);
 498     untracked!(no_analysis, true);
 499     untracked!(no_interleave_lints, true);
 500     untracked!(no_leak_check, true);
 501     untracked!(no_parallel_llvm, true);
 502     untracked!(parse_only, true);
 503     untracked!(perf_stats, true);
 504     // `pre_link_arg` is omitted because it just forwards to `pre_link_args`.
 505     untracked!(pre_link_args, vec![String::from("abc"), String::from("def")]);
 506     untracked!(print_link_args, true);
 507     untracked!(print_llvm_passes, true);
 508     untracked!(print_mono_items, Some(String::from("abc")));
 509     untracked!(print_type_sizes, true);
 510     untracked!(proc_macro_backtrace, true);
 511     untracked!(query_dep_graph, true);
 512     untracked!(query_stats, true);
 513     untracked!(save_analysis, true);
 514     untracked!(self_profile, SwitchWithOptPath::Enabled(None));
 515     untracked!(self_profile_events, Some(vec![String::new()]));
 516     untracked!(span_debug, true);
 517     untracked!(span_free_formats, true);
 518     untracked!(strip, Strip::None);
 519     untracked!(terminal_width, Some(80));
 520     untracked!(threads, 99);
 521     untracked!(time, true);
 522     untracked!(time_llvm_passes, true);
 523     untracked!(time_passes, true);
 524     untracked!(trace_macros, true);
 525     untracked!(trim_diagnostic_paths, false);
 526     untracked!(ui_testing, true);
 527     untracked!(unpretty, Some("expanded".to_string()));
 528     untracked!(unstable_options, true);
 529     untracked!(validate_mir, true);
 530     untracked!(verbose, true);
 531
 532     macro_rules! tracked {
 533         ($name: ident, $non_default_value: expr) => {
 534             opts = reference.clone();
 535             opts.debugging_opts.$name = $non_default_value;
 536             assert_ne!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 537         };
 538     }
 539
 540     // Make sure that changing a [TRACKED] option changes the hash.
 541     // This list is in alphabetical order.
 542     tracked!(allow_features, Some(vec![String::from("lang_items")]));
 543     tracked!(always_encode_mir, true);
 544     tracked!(assume_incomplete_release, true);
 545     tracked!(asm_comments, true);
 546     tracked!(binary_dep_depinfo, true);
 547     tracked!(chalk, true);
 548     tracked!(codegen_backend, Some("abc".to_string()));
 549     tracked!(crate_attr, vec!["abc".to_string()]);
 550     tracked!(debug_macros, true);
 551     tracked!(dep_info_omit_d_target, true);
 552     tracked!(dual_proc_macros, true);
 553     tracked!(fewer_names, Some(true));
 554     tracked!(force_overflow_checks, Some(true));
 555     tracked!(force_unstable_if_unmarked, true);
 556     tracked!(fuel, Some(("abc".to_string(), 99)));
 557     tracked!(function_sections, Some(false));
 558     tracked!(human_readable_cgu_names, true);
 559     tracked!(inline_in_all_cgus, Some(true));
 560     tracked!(inline_mir, Some(true));
 561     tracked!(inline_mir_threshold, Some(123));
 562     tracked!(inline_mir_hint_threshold, Some(123));
 563     tracked!(instrument_coverage, true);
 564     tracked!(instrument_mcount, true);
 565     tracked!(link_only, true);
 566     tracked!(merge_functions, Some(MergeFunctions::Disabled));
 567     tracked!(mir_emit_retag, true);
 568     tracked!(mir_opt_level, Some(4));
 569     tracked!(mutable_noalias, Some(true));
 570     tracked!(new_llvm_pass_manager, true);
 571     tracked!(no_codegen, true);
 572     tracked!(no_generate_arange_section, true);
 573     tracked!(no_link, true);
 574     tracked!(no_profiler_runtime, true);
 575     tracked!(osx_rpath_install_name, true);
 576     tracked!(panic_abort_tests, true);
 577     tracked!(plt, Some(true));
 578     tracked!(polonius, true);
 579     tracked!(precise_enum_drop_elaboration, false);
 580     tracked!(print_fuel, Some("abc".to_string()));
 581     tracked!(profile, true);
 582     tracked!(profile_emit, Some(PathBuf::from("abc")));
 583     tracked!(relax_elf_relocations, Some(true));
 584     tracked!(relro_level, Some(RelroLevel::Full));
 585     tracked!(report_delayed_bugs, true);
 586     tracked!(sanitizer, SanitizerSet::ADDRESS);
 587     tracked!(sanitizer_memory_track_origins, 2);
 588     tracked!(sanitizer_recover, SanitizerSet::ADDRESS);
 589     tracked!(saturating_float_casts, Some(true));
 590     tracked!(share_generics, Some(true));
 591     tracked!(show_span, Some(String::from("abc")));
 592     tracked!(src_hash_algorithm, Some(SourceFileHashAlgorithm::Sha1));
 593     tracked!(symbol_mangling_version, Some(SymbolManglingVersion::V0));
 594     tracked!(teach, true);
 595     tracked!(thinlto, Some(true));
 596     tracked!(tune_cpu, Some(String::from("abc")));
 597     tracked!(tls_model, Some(TlsModel::GeneralDynamic));
 598     tracked!(trap_unreachable, Some(false));
 599     tracked!(treat_err_as_bug, NonZeroUsize::new(1));
 600     tracked!(unleash_the_miri_inside_of_you, true);
 601     tracked!(use_ctors_section, Some(true));
 602     tracked!(verify_llvm_ir, true);
 603     tracked!(wasi_exec_model, Some(WasiExecModel::Reactor));
 604 }
 605
 606 #[test]
 607 fn test_edition_parsing() {
 608     // test default edition
 609     let options = Options::default();
 610     assert!(options.edition == DEFAULT_EDITION);
 611
 612     let matches = optgroups().parse(&["--edition=2018".to_string()]).unwrap();
 613     let (sessopts, _) = build_session_options_and_crate_config(matches);
 614     assert!(sessopts.edition == Edition::Edition2018)
 615 }