🍒[cxx-interop] Explicitly disable -fmodules-local-submodule-visibility
#65909
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@swift-ci please test |
hyp
approved these changes
May 15, 2023
DougGregor
approved these changes
May 15, 2023
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Explanation: Clang implicitly enables local submodule visibility when compiling in C++20 mode. ClangImporter does not support it, so let's disable it explicitly.
Scope: Only has an effect when C++20 mode is enabled: the setting is unaltered when using older C++ modes.
Risk: Low, this does not change the ClangImporter's behavior when C++ interop is not enabled, or when using C++ language version older than C++20.
rdar://108959307 / #65710 (cherry picked from commit aed5614)