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This warning is produced if you annotate an enum with `@frozen` but build without library evolution enabled. The problem is that if you only build with library evolution enabled for release builds, this leaves you with a warning for all debug builds. The downside of this change is that if you never build with library evolution, you may have this unnecessary annotation without noticing.
15 lines
660 B
Swift
15 lines
660 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -emit-module -o %t/attr.swiftmodule %s -verify -warnings-as-errors
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// RUN: llvm-bcanalyzer -dump %t/attr.swiftmodule | %FileCheck -check-prefix=CHECK-NON-RESILIENT %s
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// RUN: %target-swift-frontend -emit-module -o %t/attr_resilient.swiftmodule -enable-library-evolution -warnings-as-errors %s
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// RUN: llvm-bcanalyzer -dump %t/attr_resilient.swiftmodule | %FileCheck -check-prefix=CHECK-RESILIENT %s
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// These two should be checking for the same thing.
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// CHECK-RESILIENT: Frozen_DECL_ATTR
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// CHECK-NON-RESILIENT-NOT: Frozen_DECL_ATTR
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@frozen // expected-no-warning
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public enum SomeEnum {
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case x
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}
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