└── bad
    ├── imp2
        ├── x.go
        └── x_test.go
    ├── imp3
        ├── x.go
        └── x_test.go
    └── imp
        └── x.go


/bad/imp2/x.go:
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1 | package imp2
2 | 


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/bad/imp3/x.go:
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1 | package imp3
2 | 


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/bad/imp/x.go:
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1 | package imp
2 | 
3 | import _ "github.com/rsc/vendor/x"
4 | 


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/bad/imp2/x_test.go:
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1 | package imp2
2 | 
3 | import _ "github.com/rsc/vendor/x"
4 | 


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/bad/imp3/x_test.go:
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1 | package imp3_test
2 | 
3 | import _ "github.com/rsc/vendor/x"
4 | 


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