[llvm-bugs] [Bug 45282] lld-link fails if PDB path is an Alternate Data Stream

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=45282

Reid Kleckner <rnk at google.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rnk at google.com
         Resolution|---                         |WONTFIX
             Status|NEW                         |RESOLVED

--- Comment #1 from Reid Kleckner <rnk at google.com> ---
I had heard of alternate data streams from Mac, but I hadn't realized they were
a feature of NTFS too until this issue.

Fundamentally LLD is trying to:
- write output to a temp file
- rename over the intended output file on success

The call to TempFile::keep defined here returns an error:
https://github.com/llvm/llvm-project/blob/d8981ce5b9f8caa567613b2bf5aa3095e0156130/llvm/lib/Support/Path.cpp#L1183

I think fixing it would be quite involved, and probably depends on changing our
entire output file writing scheme. I don't think it's feasible.

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