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Implementation of incompatible features error

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If two features are defined as incompatible, using them together would
result in an error
This commit is contained in:
Amjad Alsharafi
2020-09-04 01:47:35 +08:00
parent 08deb863bd
commit 8f2d9069a8
5 changed files with 60 additions and 1 deletions
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2
compiler/rustc_feature/src/lib.rs
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@@ -131,7 +131,7 @@ pub fn find_feature_issue(feature: Symbol, issue: GateIssue) -> Option<NonZeroU3
}
pub use accepted::ACCEPTED_FEATURES;
pub use active::{Features, ACTIVE_FEATURES, INCOMPLETE_FEATURES};
pub use active::{Features, ACTIVE_FEATURES, INCOMPATIBLE_FEATURES, INCOMPLETE_FEATURES};
pub use builtin_attrs::{
deprecated_attributes, find_gated_cfg, is_builtin_attr_name, AttributeGate, AttributeTemplate,
AttributeType, BuiltinAttribute, GatedCfg, BUILTIN_ATTRIBUTES, BUILTIN_ATTRIBUTE_MAP,