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Do not call object_lifetime_default on lifetime params.

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This commit is contained in:
Camille GILLOT 2022-08-30 22:47:58 +02:00
parent ae0030beb0
commit e7164267a2
6 changed files with 115 additions and 78 deletions
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11
compiler/rustc_middle/src/query/mod.rs
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@ -1593,12 +1593,13 @@ rustc_queries! {
query is_late_bound_map(_: LocalDefId) -> Option<&'tcx FxIndexSet<LocalDefId>> {
desc { "testing if a region is late bound" }
}
/// For a given item (like a struct), gets the default lifetimes to be used
/// For a given item's generic parameter, gets the default lifetimes to be used
/// for each parameter if a trait object were to be passed for that parameter.
/// For example, for `struct Foo<'a, T, U>`, this would be `['static, 'static]`.
/// For `struct Foo<'a, T: 'a, U>`, this would instead be `['a, 'static]`.
query object_lifetime_default(key: DefId) -> Option<ObjectLifetimeDefault> {
desc { "looking up lifetime defaults for generic parameter `{:?}`", key }
/// For example, for `T` in `struct Foo<'a, T>`, this would be `'static`.
/// For `T` in `struct Foo<'a, T: 'a>`, this would instead be `'a`.
/// This query will panic if passed something that is not a type parameter.
query object_lifetime_default(key: DefId) -> ObjectLifetimeDefault {
desc { "looking up lifetime defaults for generic parameter `{}`", tcx.def_path_str(key) }
separate_provide_extern
}
query late_bound_vars_map(_: LocalDefId)