Merge pull request #84872 from hnrklssn/disable-safe-wrappers-in-stdlib

[Swiftify] Always skip safe wrappers when building the stdlib

Author: hnrklssn

include/swift/Basic/LangOptions.h

@@ -1148,6 +1148,10 @@ namespace swift {
     /// ones to apply.
     bool LoadVersionIndependentAPINotes = false;
 
+    /// Whether the importer should skip SafeInteropWrappers, even though the
+    /// feature is enabled.
+    bool DisableSafeInteropWrappers = false;
+
     /// Return a hash code of any components from these options that should
     /// contribute to a Swift Bridging PCH hash.
     llvm::hash_code getPCHHashComponents() const {

lib/ClangImporter/ImportDecl.cpp

@@ -9535,7 +9535,8 @@ static StringRef getAttributeName(const clang::CountAttributedType *CAT) {
 }
 
 void ClangImporter::Implementation::swiftify(AbstractFunctionDecl *MappedDecl) {
-  if (!SwiftContext.LangOpts.hasFeature(Feature::SafeInteropWrappers))
+  if (!SwiftContext.LangOpts.hasFeature(Feature::SafeInteropWrappers) ||
+      SwiftContext.ClangImporterOpts.DisableSafeInteropWrappers)
     return;
   auto ClangDecl =
       dyn_cast_or_null<clang::FunctionDecl>(MappedDecl->getClangDecl());

lib/Frontend/CompilerInvocation.cpp

@@ -2175,6 +2175,8 @@ static bool ParseClangImporterArgs(ClangImporterOptions &Opts, ArgList &Args,
 
   Opts.LoadVersionIndependentAPINotes |= Args.hasArg(OPT_version_independent_apinotes);
 
+  Opts.DisableSafeInteropWrappers |= FrontendOpts.ParseStdlib;
+
   if (FrontendOpts.DisableImplicitModules)
     Opts.DisableImplicitClangModules = true;