cmd/link: TestBuildForTvOS failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/link" && test == "TestBuildForTvOS"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestBuildForTvOS
=== PAUSE TestBuildForTvOS
=== CONT  TestBuildForTvOS
    link_test.go:319: ["CGO_ENABLED=1" "GOOS=ios" "GOARCH=arm64" "CC=clang -arch arm64 -isysroot /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS17.2.sdk -mtvos-version-min=12.0 -fembed-bitcode" "CGO_CFLAGS=" "CGO_LDFLAGS=-framework CoreFoundation"] /Users/swarming/.swarming/w/ir/x/w/goroot/bin/go build -buildmode=c-archive -o /Users/swarming/.swarming/w/ir/x/t/TestBuildForTvOS1258695583/001/lib.a testdata/testBuildFortvOS/lib.go
    link_test.go:321: [/Users/swarming/.swarming/w/ir/x/w/goroot/bin/go build -buildmode=c-archive -o /Users/swarming/.swarming/w/ir/x/t/TestBuildForTvOS1258695583/001/lib.a testdata/testBuildFortvOS/lib.go]: exit status 1:
        # command-line-arguments
        /Users/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/darwin_amd64/link: running /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar failed: exit status 1
        fatal error: /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: can't write to output file (Device error)
        /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar: internal ranlib command failed
        
--- FAIL: TestBuildForTvOS (104.00s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/link" && test == "TestBuildForTvOS"

2025-10-20 19:50 gotip-darwin-amd64_13 go@29a81624 cmd/link.TestBuildForTvOS (log)

=== RUN   TestBuildForTvOS
=== PAUSE TestBuildForTvOS
=== CONT  TestBuildForTvOS
    link_test.go:319: ["CGO_ENABLED=1" "GOOS=ios" "GOARCH=arm64" "CC=clang -arch arm64 -isysroot /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS17.2.sdk -mtvos-version-min=12.0 -fembed-bitcode" "CGO_CFLAGS=" "CGO_LDFLAGS=-framework CoreFoundation"] /Users/swarming/.swarming/w/ir/x/w/goroot/bin/go build -buildmode=c-archive -o /Users/swarming/.swarming/w/ir/x/t/TestBuildForTvOS1258695583/001/lib.a testdata/testBuildFortvOS/lib.go
    link_test.go:321: [/Users/swarming/.swarming/w/ir/x/w/goroot/bin/go build -buildmode=c-archive -o /Users/swarming/.swarming/w/ir/x/t/TestBuildForTvOS1258695583/001/lib.a testdata/testBuildFortvOS/lib.go]: exit status 1:
        # command-line-arguments
        /Users/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/darwin_amd64/link: running /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar failed: exit status 1
        fatal error: /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: can't write to output file (Device error)
        /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar: internal ranlib command failed
        
--- FAIL: TestBuildForTvOS (104.00s)

2025-10-25 01:10 gotip-darwin-amd64_13 go@f2dd3d7e cmd/link.TestBuildForTvOS (log)

=== RUN   TestBuildForTvOS
=== PAUSE TestBuildForTvOS
=== CONT  TestBuildForTvOS
    link_test.go:319: ["CGO_ENABLED=1" "GOOS=ios" "GOARCH=arm64" "CC=clang -arch arm64 -isysroot /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS17.2.sdk -mtvos-version-min=12.0 -fembed-bitcode" "CGO_CFLAGS=" "CGO_LDFLAGS=-framework CoreFoundation"] /Users/swarming/.swarming/w/ir/x/w/goroot/bin/go build -buildmode=c-archive -o /Users/swarming/.swarming/w/ir/x/t/TestBuildForTvOS3205754064/001/lib.a testdata/testBuildFortvOS/lib.go
    link_test.go:321: [/Users/swarming/.swarming/w/ir/x/w/goroot/bin/go build -buildmode=c-archive -o /Users/swarming/.swarming/w/ir/x/t/TestBuildForTvOS3205754064/001/lib.a testdata/testBuildFortvOS/lib.go]: exit status 1:
        # command-line-arguments
        /Users/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/darwin_amd64/link: running /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar failed: exit status 1
        fatal error: /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: can't write to output file (Device error)
        /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar: internal ranlib command failed
        
--- FAIL: TestBuildForTvOS (157.35s)

2025-11-10 15:49 gotip-darwin-amd64_13 go@95a0e5ad cmd/link.TestBuildForTvOS (log)

=== RUN   TestBuildForTvOS
=== PAUSE TestBuildForTvOS
=== CONT  TestBuildForTvOS
    link_test.go:319: ["CGO_ENABLED=1" "GOOS=ios" "GOARCH=arm64" "CC=clang -arch arm64 -isysroot /Users/swarming/.swarming/w/ir/cache/tools/15c500b/Xcode.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS17.2.sdk -mtvos-version-min=12.0 -fembed-bitcode" "CGO_CFLAGS=" "CGO_LDFLAGS=-framework CoreFoundation"] /Users/swarming/.swarming/w/ir/x/w/goroot/bin/go build -buildmode=c-archive -o /Users/swarming/.swarming/w/ir/x/t/TestBuildForTvOS1703774463/001/lib.a testdata/testBuildFortvOS/lib.go
    link_test.go:321: [/Users/swarming/.swarming/w/ir/x/w/goroot/bin/go build -buildmode=c-archive -o /Users/swarming/.swarming/w/ir/x/t/TestBuildForTvOS1703774463/001/lib.a testdata/testBuildFortvOS/lib.go]: exit status 1:
        # runtime/cgo
        clang: error: unable to execute command: Segmentation fault: 11
        clang: error: clang frontend command failed due to signal (use -v to see invocation)
        Apple clang version 15.0.0 (clang-1500.1.0.2.5)
        Target: arm64-apple-darwin22.6.0
        Thread model: posix
        InstalledDir: ../../../../../../cache/tools/15c500b/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
        clang: note: diagnostic msg: 
        ********************
        
        PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
        Preprocessed source(s) and associated run script(s) are located at:
        clang: note: diagnostic msg: ../../../../../t/gcc_context-53f0ff.c
        clang: note: diagnostic msg: ../../../../../t/gcc_context-53f0ff.sh
        clang: note: diagnostic msg: Crash backtrace is located in
        clang: note: diagnostic msg: /Users/swarming/Library/Logs/DiagnosticReports/clang_<YYYY-MM-DD-HHMMSS>_<hostname>.crash
        clang: note: diagnostic msg: (choose the .crash file that corresponds to your crash)
        clang: note: diagnostic msg: 
        
        ********************
--- FAIL: TestBuildForTvOS (115.75s)

— watchflakes

[mknyszek]

This is probably related to the Darwin builder -- "can't write to output file" suggests something wrong with the machine.

[gopherbot]

Timed out in state WaitingForInfo. Closing.

(I am just a bot, though. Please speak up if this is a mistake or you have the requested information.)