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[feature availability] Don't warn about unguarded uses of ObjC protocols adopted by interfaces #11003

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Merged
merged 1 commit into from
Jul 18, 2025
Merged

[feature availability] Don't warn about unguarded uses of ObjC protocols adopted by interfaces #11003

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3 changes: 2 additions & 1 deletion clang/lib/Sema/SemaExpr.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -369,7 +369,8 @@ bool Sema::DiagnoseUseOfDecl(NamedDecl *D, ArrayRef<SourceLocation> Locs,
DiagnoseAvailabilityOfDecl(D, Locs, UnknownObjCClass, ObjCPropertyAccess,
AvoidPartialAvailabilityChecks, ClassReceiver);

DiagnoseFeatureAvailabilityOfDecl(D, Locs);
if (!AvoidPartialAvailabilityChecks)
DiagnoseFeatureAvailabilityOfDecl(D, Locs);

DiagnoseUnusedOfDecl(*this, D, Loc);

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8 changes: 5 additions & 3 deletions clang/test/SemaObjC/feature-availability.m
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Expand Up @@ -147,7 +147,7 @@ @interface Base3 <P1>
@end

__attribute__((availability(domain:feature1, AVAIL)))
@interface Base4 <P1> // expected-error {{use of 'P1' requires feature 'feature1' to be unavailable}}
@interface Base4 <P1>
@end

__attribute__((availability(domain:feature1, AVAIL)))
Expand All @@ -166,8 +166,10 @@ @interface Base5(Cat3) <P2>
@end

__attribute__((availability(domain:feature1, UNAVAIL)))
@interface Base5(Cat4) <P2> // expected-error {{use of 'P2' requires feature 'feature1' to be available}}
@interface Base5(Cat4) <P2>
@end

@interface Base6 <P1, P2> // expected-error {{use of 'P1' requires feature 'feature1' to be unavailable}} expected-error {{use of 'P2' requires feature 'feature1' to be available}}
@interface Base6 <P1, P2>
@end

void foo(id<P1>); // expected-error {{use of 'P1' requires feature 'feature1' to be unavailable}}