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x/build: segfault in `clang` during linking on darwin-amd64-10_12 #33601

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bcmills opened this issue Aug 12, 2019 · 0 comments

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@bcmills
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commented Aug 12, 2019

From the darwin-amd64-10_12, what appears to be a bug in the installed clang linker (https://build.golang.org/log/c50ee2eb07a4f5f6846c3e20c11ddbb0e1852ced):

--- FAIL: TestLinkerTmpDirIsDeleted (0.95s)
    go_test.go:6168: running testgo [build -ldflags -v -o /dev/null /var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/tmp/cmd-go-test-103648157/gotest113391966/a.go]
    go_test.go:6168: standard error:
    go_test.go:6168: # command-line-arguments
        clang: error: unable to execute command: Segmentation fault: 11
        clang: error: linker command failed due to signal (use -v to see invocation)
        
    go_test.go:6168: go [build -ldflags -v -o /dev/null /var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/tmp/cmd-go-test-103648157/gotest113391966/a.go] failed unexpectedly in /var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/go/src/cmd/go: exit status 2
FAIL
FAIL	cmd/go	248.227s

If we see it again, we might want to consider upgrading the clang installation on that builder.

CC @dmitshur @toothrot

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