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ClangImporter synthesized declarations inherently do not have user written code. Unfortunately, despite that they are not always marked implicit as they should be. This was causing a crash when attempting to generate profile coverage maps for synthesized constructors for imported structs. I tried marking the constructors implicit, but that had too many knock-on effects in tests. This more targeted fix unblocks compatibility suite testing without trying to grapple with the implications of that more fundamental fix. Resolves rdar://139486938.
18 lines
607 B
Swift
18 lines
607 B
Swift
// RUN: %target-swift-frontend -emit-ir -profile-generate -profile-coverage-mapping -Xcc -fprofile-instr-generate -Xcc -fcoverage-mapping -I %S/Inputs/CModule %s | %FileCheck %s
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// https://github.com/apple/swift/issues/57483 (rdar://82820628)
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// Make sure we don't crash in IRGen attempting to emit the coverage map for any
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// implicit Clang decls.
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import CModule
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func testStruct(_ x: UnsafePointer<cstruct>?) {
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_ = x?.pointee.member
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_ = cstruct()
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_ = cstruct(member: 5)
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}
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testStruct(nil)
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// CHECK: define {{.*}} @"$So7cstructV$member$setter"
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// CHECK: define {{.*}} @"$So7cstructV$member$getter"
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