🍒 [lldb][windows] use Windows APIs to print to the console (#156469)#11373
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charles-zablit merged 1 commit intoswiftlang:stable/21.xfrom Sep 11, 2025
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- [lldb][windows] use Windows APIs to print to the console llvm/llvm-project#156469
This is a relanding of llvm#149493. The tests were failing because we were interpreting a proper file descriptor as a console file descriptor. This patch uses the Windows APIs to print to the Windows Console, through `llvm::raw_fd_ostream`. This fixes a rendering issue where the characters defined in `DiagnosticsRendering.cpp` ("╰" for instance) are not rendered properly on Windows out of the box, because the default codepage is not `utf-8`. This solution is based on [this patch downstream](https://github.com/swiftlang/swift/pull/40632/files#diff-e948e4bd7a601e3ca82d596058ccb39326459a4751470eec4d393adeaf516977R37-R38). rdar://156064500 (cherry picked from commit f444576)
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