[all-commits] [llvm/llvm-project] a3b642: [lldb-dap] Mitigate a build error on Windows. (#13...

[John Harrison via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a3b6423d506f1340782db62d23fb0d1a845a9411
      https://github.com/llvm/llvm-project/commit/a3b6423d506f1340782db62d23fb0d1a845a9411
  Author: John Harrison <harjohn at google.com>
  Date:   2025-04-25 (Fri, 25 Apr 2025)

  Changed paths:
    M lldb/tools/lldb-dap/DAP.cpp

  Log Message:
  -----------
  [lldb-dap] Mitigate a build error on Windows. (#137388)

When building with MSVC 2019 using `std::future<llvm::Error>` causes a
compile time build error.

```
C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\VC\Tools\MSVC\14.29.30133\include\future(196): error C2248: 'llvm::Error::Error': cannot access protected member declared in class 'llvm::Error'

C:\work\main\llvm-project\llvm\include\llvm/Support/Error.h(181): note: see declaration of 'llvm::Error::Error'

C:\work\main\llvm-project\llvm\include\llvm/Support/FormatVariadicDetails.h(20): note: see declaration of 'llvm::Error'

C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\VC\Tools\MSVC\14.29.30133\include\future(193): note: while compiling class template member function 'std::_Associated_state<_Ty>::_Associated_state(std::_Deleter_base<_Ty> *)'

        with

        [

            _Ty=llvm::Error

        ]

C:\work\main\llvm-project\lldb\tools\lldb-dap\DAP.cpp(854): note: see reference to class template instantiation 'std::future<llvm::Error>' being compiled
```

To work around this, swapping to a lldb::SBError for now.



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