[cxx-interop] Modularize xsmf_control on Windows #83395
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This adds `xsmf_control.h` into the STL modulemap on Windows. Fixes the following compiler error emitted by Clang when trying to use `std::variant` from Swift with C++ interop: ``` ...\MSVC\14.42.34433\include\variant:923:25: error: missing '#include <xsmf_control.h>'; '_Non_trivial_move_assign' must be defined before it is used ```
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@swift-ci please smoke test |
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This unblocks #83372. |
compnerd
approved these changes
Jul 29, 2025
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@swift-ci please smoke test macOS |
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This adds
xsmf_control.hinto the STL modulemap on Windows.Fixes the following compiler error emitted by Clang when trying to use
std::variantfrom Swift with C++ interop: