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If a module was first read using the adjacent swiftmodule and then reloaded using the swiftinterface, we would do an up to date check on the adjacent module but write out the unit using the swiftinterface. This would cause the same modules to be indexed repeatedly for the first invocation using a new SDK. On the next run we would instead raad the swiftmodule from the cache and thus the out of date check would match up. The impact of this varies depending on the size of the module graph in the initial compilation and the number of jobs started at the same time. Each SDK dependency is re-indexed *and* reloaded, which is a drain on both CPU and memory. Thus, if many jobs are initially started and they're all going down this path, it can cause the system to run out of memory very quickly. Resolves rdar://103119964.
204 lines
9.9 KiB
Swift
204 lines
9.9 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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/// Setup the SDK composed of SecretModule, SystemModule, SystemDepA, SystemDepB, and SystemDepCommon
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// RUN: %empty-directory(%t/SDK)
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// RUN: mkdir -p %t/SDK/Frameworks/SecretModule.framework/Modules/SecretModule.swiftmodule
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// RUN: %target-swift-frontend -emit-module -module-name SecretModule \
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// RUN: -swift-version 5 -enable-library-evolution -parse-stdlib \
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// RUN: -o %t/SDK/Frameworks/SecretModule.framework/Modules/SecretModule.swiftmodule/%module-target-triple.swiftmodule \
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// RUN: -emit-module-interface-path %t/SDK/Frameworks/SecretModule.framework/Modules/SecretModule.swiftmodule/%module-target-triple.swiftinterface \
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// RUN: %t/SecretModule.swift
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// RUN: mkdir -p %t/SDK/Frameworks/SystemDepCommon.framework/Modules/SystemDepCommon.swiftmodule
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// RUN: %target-swift-frontend -emit-module -module-name SystemDepCommon \
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// RUN: -swift-version 5 -enable-library-evolution -parse-stdlib \
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// RUN: -o %t/SDK/Frameworks/SystemDepCommon.framework/Modules/SystemDepCommon.swiftmodule/%module-target-triple.swiftmodule \
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// RUN: -emit-module-interface-path %t/SDK/Frameworks/SystemDepCommon.framework/Modules/SystemDepCommon.swiftmodule/%module-target-triple.swiftinterface \
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// RUN: -Fsystem %t/SDK/Frameworks \
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// RUN: %t/SystemDepCommon.swift
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// RUN: mkdir -p %t/SDK/Frameworks/SystemDepA.framework/Modules/SystemDepA.swiftmodule
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// RUN: %target-swift-frontend -emit-module -module-name SystemDepA \
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// RUN: -swift-version 5 -enable-library-evolution -parse-stdlib \
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// RUN: -o %t/SDK/Frameworks/SystemDepA.framework/Modules/SystemDepA.swiftmodule/%module-target-triple.swiftmodule \
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// RUN: -emit-module-interface-path %t/SDK/Frameworks/SystemDepA.framework/Modules/SystemDepA.swiftmodule/%module-target-triple.swiftinterface \
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// RUN: -Fsystem %t/SDK/Frameworks \
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// RUN: %t/SystemDepA.swift
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// RUN: mkdir -p %t/SDK/Frameworks/SystemDepB.framework/Modules/SystemDepB.swiftmodule
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// RUN: %target-swift-frontend -emit-module -module-name SystemDepB \
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// RUN: -swift-version 5 -enable-library-evolution -parse-stdlib \
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// RUN: -o %t/SDK/Frameworks/SystemDepB.framework/Modules/SystemDepB.swiftmodule/%module-target-triple.swiftmodule \
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// RUN: -emit-module-interface-path %t/SDK/Frameworks/SystemDepB.framework/Modules/SystemDepB.swiftmodule/%module-target-triple.swiftinterface \
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// RUN: -Fsystem %t/SDK/Frameworks \
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// RUN: %t/SystemDepB.swift
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// RUN: mkdir -p %t/SDK/Frameworks/SystemModule.framework/Modules/SystemModule.swiftmodule
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// RUN: %target-swift-frontend -emit-module -module-name SystemModule \
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// RUN: -swift-version 5 -enable-library-evolution -parse-stdlib \
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// RUN: -o %t/SDK/Frameworks/SystemModule.framework/Modules/SystemModule.swiftmodule/%module-target-triple.swiftmodule \
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// RUN: -emit-module-interface-path %t/SDK/Frameworks/SystemModule.framework/Modules/SystemModule.swiftmodule/%module-target-triple.swiftinterface \
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// RUN: -Fsystem %t/SDK/Frameworks \
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// RUN: %t/SystemModule.swift
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/// Index a client of SystemModule reading from the swiftinterface.
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/// Because of disable-deserialization-recovery and leakyFunc, reading from
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/// the swiftmodule would crash.
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// RUN: %target-swift-frontend -typecheck -parse-stdlib -swift-version 5 \
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// RUN: -index-system-modules \
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// RUN: -index-store-path %t/idx \
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// RUN: -index-ignore-stdlib \
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// RUN: -sdk %t/SDK \
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// RUN: -Fsystem %t/SDK/Frameworks \
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// RUN: -module-cache-path %t/modulecache \
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// RUN: -Rindexing-system-module -Rmodule-loading \
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// RUN: %t/Client.swift -disable-deserialization-recovery \
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// RUN: 2>&1 | %FileCheck -check-prefix=SYSTEM-INDEX %s
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// SYSTEM-INDEX: loaded module 'SystemDepCommon'; source: '{{.*}}SystemDepCommon.swiftmodule{{.*}}.swiftinterface'
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// SYSTEM-INDEX: loaded module 'SystemDepCommon'; source: '{{.*}}SystemDepCommon.swiftmodule{{.*}}.swiftinterface'
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// SYSTEM-INDEX-NOT: loaded module {{.*}}SystemDepCommon
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// SYSTEM-INDEX: indexing system module {{.*}}SystemDepCommon.swiftmodule{{.*}}.swiftinterface
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// SYSTEM-INDEX-NOT: loaded module {{.*}}SystemDepCommon
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// SYSTEM-INDEX-NOT: indexing system module {{.*}}SystemDepCommon
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/// The index should have the public API of SystemModule
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// RUN: c-index-test core -print-unit %t/idx | %FileCheck -check-prefix=UNIT %s
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// UNIT: Unit | system | SystemModule |
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// UNIT: Record | system | SystemModule |
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// RUN: c-index-test core -print-record %t/idx | %FileCheck -check-prefix=RECORD %s
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// RECORD: function/Swift | systemFunc()
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/// Now rebuild the same module. We should not reload or re-index any of the
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/// system modules.
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// RUN: %target-swift-frontend -typecheck -parse-stdlib -swift-version 5 \
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// RUN: -index-system-modules \
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// RUN: -index-store-path %t/idx \
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// RUN: -index-ignore-stdlib \
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// RUN: -sdk %t/SDK \
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// RUN: -Fsystem %t/SDK/Frameworks \
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// RUN: -module-cache-path %t/modulecache \
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// RUN: -Rindexing-system-module -Rmodule-loading \
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// RUN: %t/Client.swift -disable-deserialization-recovery \
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// RUN: 2>&1 | %FileCheck -check-prefix=SECOND-SYSTEM-INDEX %s
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// SECOND-SYSTEM-INDEX: loaded module 'SystemDepCommon'; source: '{{.*}}SystemDepCommon.swiftmodule{{.*}}.swiftinterface'
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// SECOND-SYSTEM-INDEX-NOT: loaded module {{.*}}SystemDepCommon
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// SECOND-SYSTEM-INDEX-NOT: indexing system module {{.*}}SystemDepCommon
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// RUN: c-index-test core -print-unit %t/idx | %FileCheck -check-prefix=UNIT %s
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// RUN: c-index-test core -print-record %t/idx | %FileCheck -check-prefix=RECORD %s
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/// Rebuild again, but this time remove the index. We should re-index, but not
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/// reload the module as it was already built.
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// RUN: %empty-directory(%t/idx)
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// RUN: %target-swift-frontend -typecheck -parse-stdlib -swift-version 5 \
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// RUN: -index-system-modules \
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// RUN: -index-store-path %t/idx \
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// RUN: -index-ignore-stdlib \
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// RUN: -sdk %t/SDK \
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// RUN: -Fsystem %t/SDK/Frameworks \
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// RUN: -module-cache-path %t/modulecache \
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// RUN: -Rindexing-system-module -Rmodule-loading \
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// RUN: %t/Client.swift -disable-deserialization-recovery \
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// RUN: 2>&1 | %FileCheck -check-prefix=THIRD-SYSTEM-INDEX %s
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// THIRD-SYSTEM-INDEX: loaded module 'SystemDepCommon'; source: '{{.*}}SystemDepCommon.swiftmodule{{.*}}.swiftinterface'
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// THIRD-SYSTEM-INDEX-NOT: loaded module {{.*}}SystemDepCommon
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// THIRD-SYSTEM-INDEX: indexing system module {{.*}}SystemDepCommon.swiftmodule{{.*}}.swiftinterface
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// THIRD-SYSTEM-INDEX-NOT: loaded module {{.*}}SystemDepCommon
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// THIRD-SYSTEM-INDEX-NOT: indexing system module {{.*}}SystemDepCommon
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// RUN: c-index-test core -print-unit %t/idx | %FileCheck -check-prefix=UNIT %s
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// RUN: c-index-test core -print-record %t/idx | %FileCheck -check-prefix=RECORD %s
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/// Index a client reading from a broken swiftinterface
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// RUN: %empty-directory(%t/idx)
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// RUN: %empty-directory(%t/modulecache)
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// RUN: echo "breaking_the_swifinterface" >> %t/SDK/Frameworks/SystemModule.framework/Modules/SystemModule.swiftmodule/%module-target-triple.swiftinterface
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// RUN: %target-swift-frontend -typecheck -parse-stdlib \
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// RUN: -index-system-modules \
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// RUN: -index-store-path %t/idx \
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// RUN: -index-ignore-stdlib \
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// RUN: -sdk %t/SDK \
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// RUN: -Fsystem %t/SDK/Frameworks \
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// RUN: -module-cache-path %t/modulecache \
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// RUN: -Rindexing-system-module \
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// RUN: %t/Client.swift \
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// RUN: 2>&1 | %FileCheck -check-prefix=BROKEN-BUILD %s
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/// We don't expect to see the swiftinterface error for indexing
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// BROKEN-BUILD-NOT: error
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// BROKEN-BUILD-NOT: breaking_the_swifinterface
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// BROKEN-BUILD: indexing system module {{.*}} skipping
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/// We don't expect SystemModule to be indexed with a broken swiftinterface
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// RUN: c-index-test core -print-unit %t/idx | %FileCheck -check-prefix=BROKEN-UNIT %s
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// BROKEN-UNIT: Unit | system | SystemModule |
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// BROKEN-UNIT-NOT: Record | system | SystemModule |
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// RUN: c-index-test core -print-record %t/idx | %FileCheck -check-prefix=BROKEN-RECORD %s
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// BROKEN-RECORD-NOT: function/Swift | systemFunc()
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/// Subsequent builds won't attempt to index the broken swiftinterface again
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// RUN: %target-swift-frontend -typecheck -parse-stdlib \
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// RUN: -index-system-modules \
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// RUN: -index-store-path %t/idx \
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// RUN: -index-ignore-stdlib \
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// RUN: -sdk %t/SDK \
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// RUN: -Fsystem %t/SDK/Frameworks \
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// RUN: -module-cache-path %t/modulecache \
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// RUN: -Rindexing-system-module \
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// RUN: %t/Client.swift \
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// RUN: 2>&1 | %FileCheck -check-prefix=BROKEN-BUILD-2 --allow-empty %s
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// BROKEN-BUILD-2-NOT: indexing system module
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/// Local errors should be preserved even when indexing against a broken swiftinterface
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// RUN: %empty-directory(%t/idx)
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// RUN: %empty-directory(%t/modulecache)
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// RUN: not %target-swift-frontend -typecheck -parse-stdlib \
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// RUN: -index-system-modules \
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// RUN: -index-store-path %t/idx \
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// RUN: -index-ignore-stdlib \
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// RUN: -sdk %t/SDK \
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// RUN: -Fsystem %t/SDK/Frameworks \
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// RUN: -module-cache-path %t/modulecache \
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// RUN: %t/ClientWithError.swift 2> %t/client-with-error.err
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// RUN: cat %t/client-with-error.err | %FileCheck -check-prefix=WITH-ERROR %s
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// WITH-ERROR: cannot convert return expression of type 'U' to return type 'T'
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//--- SecretModule.swift
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public struct SecretType {}
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//--- SystemModule.swift
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// Use this dependency to hit an easy deserialization failure when recovery is disabled.
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@_implementationOnly import SecretModule
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// Both these import SystemDepCommon - we want to check that it is only indexed
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// once.
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import SystemDepA
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import SystemDepB
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public func systemFunc() {}
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func leakyFunc(_ a: SecretType) {}
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//--- SystemDepA.swift
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import SystemDepCommon
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public func systemDepAFunc() {}
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//--- SystemDepB.swift
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import SystemDepCommon
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public func systemDepBFunc() {}
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//--- SystemDepCommon.swift
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public func systemDepCommonFunc() {}
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//--- Client.swift
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import SystemModule
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public func clientFunc() {}
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//--- ClientWithError.swift
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import SystemModule
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public func clientFunc() {}
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struct T {}
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struct U {}
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func f() -> T { return U() }
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