[cxx-interop][SwiftToCxx] Do not crash while trying to expose a macro to C++ #73510
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… to C++ This fixes a compiler crash that happened when emitting a Clang header for a Swift module that declares multiple macros with the same base name and different argument names. Swift macros are not currently designed to be exposed to C++. This teaches the compiler to explicitly mark them as unavailable in C++. rdar://117969472 / resolves #69656
egorzhdan
requested review from
zoecarver,
hyp,
hborla,
slavapestov and
xedin
as code owners
|
@swift-ci please smoke test |
fahadnayyar
approved these changes
May 9, 2024
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This fixes a compiler crash that happened when emitting a Clang header for a Swift module that declares multiple macros with the same base name and different argument names.
Swift macros are not currently designed to be exposed to C++. This teaches the compiler to explicitly mark them as unavailable in C++.
rdar://117969472 / resolves #69656