Merge pull request #6092 from xymus/lldb-disable-safety-next

[next][lldb] Disable deserialization safety for lldb

Author: xymus

lldb/source/Plugins/TypeSystem/Swift/SwiftASTContext.cpp

@@ -943,6 +943,10 @@ SwiftASTContext::SwiftASTContext(std::string description,
   // for the protocol conforming types.
   lang_opts.AllowModuleWithCompilerErrors = true;
   lang_opts.EnableTargetOSChecking = false;
+
+  // Bypass deserialization safety to allow deserializing internal details from
+  // swiftmodule files.
+  lang_opts.EnableDeserializationSafety = false;
 }
 
 SwiftASTContext::~SwiftASTContext() {