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[cxx-interop] compilations that do not enable C++ interoperability should not be able to import modules that do enable C++ interoperability by default

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A supplemental hidden frontend option allows advanced users to opt-out of this requirement.

Fixes https://github.com/apple/swift/issues/65833
Fixes https://github.com/apple/swift/issues/65832
This commit is contained in:
Alex Lorenz
2023-06-07 15:06:06 -07:00
parent 4d1d8a9de5
commit ba8d4d7801
18 changed files with 104 additions and 7 deletions
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8
include/swift/AST/Module.h
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@@ -654,6 +654,14 @@ public:
Bits.ModuleDecl.HasHermeticSealAtLink = enabled;
}
/// Returns true if this module was built with C++ interoperability enabled.
bool hasCxxInteroperability() const {
return Bits.ModuleDecl.HasCxxInteroperability;
}
void setHasCxxInteroperability(bool enabled = true) {
Bits.ModuleDecl.HasCxxInteroperability = enabled;
}
/// \returns true if this module is a system module; note that the StdLib is
/// considered a system module.
bool isSystemModule() const {