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When testing different linkers, it's sometimes useful to run the tests with `SWIFT_DRIVER_TEST_OPTIONS=" -use-ld=<linker>"`. If we do this, it will break a handful of tests because they expect the compiler driver to choose an appropriate linker automatically. To avoid having these fail, detect when someone has done this, and set a new feature, `linker_overridden`, then mark the tests in question with `UNSUPPORTED: linker_overridden`. rdar://123504095
23 lines
844 B
Swift
23 lines
844 B
Swift
// UNSUPPORTED: OS=windows-msvc
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// static library is not well supported yet on Windows
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// XFAIL: OS=linux-android, OS=linux-androideabi
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// UNSUPPORTED: OS=xros
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// For LTO, the linker dlopen()'s the libLTO library, which is a scenario that
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// ASan cannot work in ("Interceptors are not working, AddressSanitizer is
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// loaded too late").
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// REQUIRES: no_asan
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// UNSUPPORTED: linker_overridden
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// RUN: %empty-directory(%t)
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// RUN: %use_just_built_liblto %target-swiftc_driver -emit-library -static -lto=llvm-full %lto_flags -emit-module %S/Inputs/lto/module1.swift -working-directory %t
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// RUN: %use_just_built_liblto %target-swiftc_driver -lto=llvm-full %lto_flags %s -I%t -L%t -lmodule1 -module-name main -o %t/main
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// RUN: %llvm-nm --defined-only %t/main | %FileCheck %s
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// CHECK-NOT: _$s7module120unusedPublicFunctionyyF
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import module1
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