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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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3
lib/Frontend/Frontend.cpp
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@@ -1319,6 +1319,9 @@ ModuleDecl *CompilerInstance::getMainModule() const {
MainModule->setResilienceStrategy(ResilienceStrategy::Resilient);
if (Invocation.getLangOptions().isSwiftVersionAtLeast(6))
MainModule->setIsConcurrencyChecked(true);
if (Invocation.getLangOptions().EnableCXXInterop &&
Invocation.getLangOptions().RequireCxxInteropToImportCxxInteropModule)
MainModule->setHasCxxInteroperability();
// Register the main module with the AST context.
Context->addLoadedModule(MainModule);