1 // This test case tests the incremental compilation hash (ICH) implementation
2 // for enum definitions.
4 // The general pattern followed here is: Change one thing between rev1 and rev2
5 // and make sure that the hash has changed, then change nothing between rev2 and
6 // rev3 and make sure that the hash has not changed.
8 // We also test the ICH for enum definitions exported in metadata. Same as
9 // above, we want to make sure that the change between rev1 and rev2 also
10 // results in a change of the ICH for the enum's metadata, and that it stays
11 // the same between rev2 and rev3.
13 // build-pass (FIXME(62277): could be check-pass?)
14 // revisions: cfail1 cfail2 cfail3
15 // compile-flags: -Z query-dep-graph -Zincremental-ignore-spans
18 #![feature(rustc_attrs)]
19 #![feature(stmt_expr_attributes)]
24 // Change enum visibility -----------------------------------------------------
26 enum EnumVisibility { A }
29 #[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
30 #[rustc_clean(cfg="cfail3")]
31 pub enum EnumVisibility {
37 // Change name of a c-style variant -------------------------------------------
39 enum EnumChangeNameCStyleVariant {
45 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
46 #[rustc_clean(cfg="cfail3")]
47 enum EnumChangeNameCStyleVariant {
54 // Change name of a tuple-style variant ---------------------------------------
56 enum EnumChangeNameTupleStyleVariant {
62 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
63 #[rustc_clean(cfg="cfail3")]
64 enum EnumChangeNameTupleStyleVariant {
66 Variant2Changed(u32, f32),
71 // Change name of a struct-style variant --------------------------------------
73 enum EnumChangeNameStructStyleVariant {
75 Variant2 { a: u32, b: f32 },
79 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
80 #[rustc_clean(cfg="cfail3")]
81 enum EnumChangeNameStructStyleVariant {
83 Variant2Changed { a: u32, b: f32 },
88 // Change the value of a c-style variant --------------------------------------
90 enum EnumChangeValueCStyleVariant0 {
96 #[rustc_clean(cfg="cfail2", except="HirBody")]
97 #[rustc_clean(cfg="cfail3")]
98 enum EnumChangeValueCStyleVariant0 {
106 enum EnumChangeValueCStyleVariant1 {
112 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
113 #[rustc_clean(cfg="cfail3")]
114 enum EnumChangeValueCStyleVariant1 {
121 // Add a c-style variant ------------------------------------------------------
123 enum EnumAddCStyleVariant {
128 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
129 #[rustc_clean(cfg="cfail3")]
130 enum EnumAddCStyleVariant {
137 // Remove a c-style variant ---------------------------------------------------
139 enum EnumRemoveCStyleVariant {
145 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
146 #[rustc_clean(cfg="cfail3")]
147 enum EnumRemoveCStyleVariant {
153 // Add a tuple-style variant --------------------------------------------------
155 enum EnumAddTupleStyleVariant {
160 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
161 #[rustc_clean(cfg="cfail3")]
162 enum EnumAddTupleStyleVariant {
169 // Remove a tuple-style variant -----------------------------------------------
171 enum EnumRemoveTupleStyleVariant {
177 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
178 #[rustc_clean(cfg="cfail3")]
179 enum EnumRemoveTupleStyleVariant {
185 // Add a struct-style variant -------------------------------------------------
187 enum EnumAddStructStyleVariant {
192 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
193 #[rustc_clean(cfg="cfail3")]
194 enum EnumAddStructStyleVariant {
196 Variant2 { a: u32, b: f32 },
201 // Remove a struct-style variant ----------------------------------------------
203 enum EnumRemoveStructStyleVariant {
205 Variant2 { a: u32, b: f32 },
209 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
210 #[rustc_clean(cfg="cfail3")]
211 enum EnumRemoveStructStyleVariant {
217 // Change the type of a field in a tuple-style variant ------------------------
219 enum EnumChangeFieldTypeTupleStyleVariant {
224 #[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
225 #[rustc_clean(cfg="cfail3")]
226 enum EnumChangeFieldTypeTupleStyleVariant {
233 // Change the type of a field in a struct-style variant -----------------------
235 enum EnumChangeFieldTypeStructStyleVariant {
237 Variant2 { a: u32, b: u32 },
241 #[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
242 #[rustc_clean(cfg="cfail3")]
243 enum EnumChangeFieldTypeStructStyleVariant {
253 // Change the name of a field in a struct-style variant -----------------------
255 enum EnumChangeFieldNameStructStyleVariant {
256 Variant1 { a: u32, b: u32 },
260 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
261 #[rustc_clean(cfg="cfail3")]
262 enum EnumChangeFieldNameStructStyleVariant {
263 Variant1 { a: u32, c: u32 },
268 // Change order of fields in a tuple-style variant ----------------------------
270 enum EnumChangeOrderTupleStyleVariant {
275 #[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
276 #[rustc_clean(cfg="cfail3")]
277 enum EnumChangeOrderTupleStyleVariant {
285 // Change order of fields in a struct-style variant ---------------------------
287 enum EnumChangeFieldOrderStructStyleVariant {
288 Variant1 { a: u32, b: f32 },
292 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
293 #[rustc_clean(cfg="cfail3")]
294 enum EnumChangeFieldOrderStructStyleVariant {
295 Variant1 { b: f32, a: u32 },
300 // Add a field to a tuple-style variant ---------------------------------------
302 enum EnumAddFieldTupleStyleVariant {
307 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
308 #[rustc_clean(cfg="cfail3")]
309 enum EnumAddFieldTupleStyleVariant {
310 Variant1(u32, u32, u32),
315 // Add a field to a struct-style variant --------------------------------------
317 enum EnumAddFieldStructStyleVariant {
318 Variant1 { a: u32, b: u32 },
322 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
323 #[rustc_clean(cfg="cfail3")]
324 enum EnumAddFieldStructStyleVariant {
325 Variant1 { a: u32, b: u32, c: u32 },
330 // Add #[must_use] to the enum ------------------------------------------------
332 enum EnumAddMustUse {
338 #[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
339 #[rustc_clean(cfg="cfail3")]
341 enum EnumAddMustUse {
348 // Add #[repr(C)] to the enum -------------------------------------------------
356 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
357 #[rustc_clean(cfg="cfail3")]
366 // Change the name of a type parameter ----------------------------------------
368 enum EnumChangeNameOfTypeParameter<S> {
373 #[rustc_dirty(cfg="cfail2")]
374 #[rustc_clean(cfg="cfail3")]
375 enum EnumChangeNameOfTypeParameter<T> {
381 // Add a type parameter ------------------------------------------------------
383 enum EnumAddTypeParameter<S> {
389 #[rustc_dirty(cfg="cfail2")]
390 #[rustc_clean(cfg="cfail3")]
391 enum EnumAddTypeParameter<S, T> {
398 // Change the name of a lifetime parameter ------------------------------------
400 enum EnumChangeNameOfLifetimeParameter<'a> {
405 #[rustc_dirty(cfg="cfail2", except="predicates_of")]
406 #[rustc_clean(cfg="cfail3")]
407 enum EnumChangeNameOfLifetimeParameter<'b> {
413 // Add a lifetime parameter ---------------------------------------------------
415 enum EnumAddLifetimeParameter<'a> {
421 #[rustc_dirty(cfg="cfail2", except="predicates_of")]
422 #[rustc_clean(cfg="cfail3")]
423 enum EnumAddLifetimeParameter<'a, 'b> {
430 // Add a lifetime bound to a lifetime parameter -------------------------------
432 enum EnumAddLifetimeParameterBound<'a, 'b> {
438 #[rustc_dirty(cfg="cfail2", except="generics_of,type_of")]
439 #[rustc_clean(cfg="cfail3")]
440 enum EnumAddLifetimeParameterBound<'a, 'b: 'a> {
445 // Add a lifetime bound to a type parameter -----------------------------------
447 enum EnumAddLifetimeBoundToParameter<'a, T> {
453 #[rustc_dirty(cfg="cfail2", except="type_of")]
454 #[rustc_clean(cfg="cfail3")]
455 enum EnumAddLifetimeBoundToParameter<'a, T: 'a> {
462 // Add a trait bound to a type parameter --------------------------------------
464 enum EnumAddTraitBound<S> {
469 #[rustc_dirty(cfg="cfail2")]
470 #[rustc_clean(cfg="cfail3")]
471 enum EnumAddTraitBound<T: Sync> {
477 // Add a lifetime bound to a lifetime parameter in where clause ---------------
479 enum EnumAddLifetimeParameterBoundWhere<'a, 'b> {
485 #[rustc_dirty(cfg="cfail2", except="generics_of,type_of")]
486 #[rustc_clean(cfg="cfail3")]
487 enum EnumAddLifetimeParameterBoundWhere<'a, 'b> where 'b: 'a {
494 // Add a lifetime bound to a type parameter in where clause -------------------
496 enum EnumAddLifetimeBoundToParameterWhere<'a, T> {
502 #[rustc_dirty(cfg="cfail2", except="type_of")]
503 #[rustc_clean(cfg="cfail3")]
504 enum EnumAddLifetimeBoundToParameterWhere<'a, T> where T: 'a {
511 // Add a trait bound to a type parameter in where clause ----------------------
513 enum EnumAddTraitBoundWhere<S> {
518 #[rustc_dirty(cfg="cfail2")]
519 #[rustc_clean(cfg="cfail3")]
520 enum EnumAddTraitBoundWhere<T> where T: Sync {
526 // In an enum with two variants, swap usage of type parameters ----------------
528 enum EnumSwapUsageTypeParameters<A, B> {
534 #[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
535 #[rustc_clean(cfg="cfail3")]
536 enum EnumSwapUsageTypeParameters<A, B> {
547 // In an enum with two variants, swap usage of lifetime parameters ------------
549 enum EnumSwapUsageLifetimeParameters<'a, 'b> {
550 Variant1 { a: &'a u32 },
551 Variant2 { b: &'b u32 },
555 #[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
556 #[rustc_clean(cfg="cfail3")]
557 enum EnumSwapUsageLifetimeParameters<'a, 'b> {
568 struct ReferencedType1;
569 struct ReferencedType2;
573 // Change field type in tuple-style variant indirectly by modifying a use statement
574 mod change_field_type_indirectly_tuple_style {
576 use super::ReferencedType1 as FieldType;
578 use super::ReferencedType2 as FieldType;
580 #[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
581 #[rustc_clean(cfg="cfail3")]
591 // Change field type in record-style variant indirectly by modifying a use statement
592 mod change_field_type_indirectly_struct_style {
594 use super::ReferencedType1 as FieldType;
596 use super::ReferencedType2 as FieldType;
598 #[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
599 #[rustc_clean(cfg="cfail3")]
609 trait ReferencedTrait1 {}
610 trait ReferencedTrait2 {}
614 // Change trait bound of type parameter indirectly by modifying a use statement
615 mod change_trait_bound_indirectly {
617 use super::ReferencedTrait1 as Trait;
619 use super::ReferencedTrait2 as Trait;
621 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,predicates_of")]
622 #[rustc_clean(cfg="cfail3")]
623 enum Enum<T: Trait> {
630 // Change trait bound of type parameter in where clause indirectly by modifying a use statement
631 mod change_trait_bound_indirectly_where {
633 use super::ReferencedTrait1 as Trait;
635 use super::ReferencedTrait2 as Trait;
637 #[rustc_clean(cfg="cfail2", except="Hir,HirBody,predicates_of")]
638 #[rustc_clean(cfg="cfail3")]
639 enum Enum<T> where T: Trait {