message: [SwiftASTContext] Remove dead code.
diff: @@ -877,16 +877,8 @@ SwiftASTContext::SwiftASTContext(const SwiftASTContext &rhs)
  InitializeSearchPathOptions(module_search_paths, framework_search_paths);
  GetClangImporterOptions();
  - swift::ASTContext *lhs_ast = GetASTContext();
  - swift::ASTContext *rhs_ast =
  - const_cast<SwiftASTContext &>(rhs).GetASTContext();
  -
  - // As this is a copy constructor, make sure we copy the search path
  - // opts and clang importer options from RHS to LHS.
  - assert(lhs_ast && "Invalid LHS ASTContext");
  - assert(rhs_ast && "Invalid RHS ASTContext");
  - lhs_ast->SearchPathOpts = rhs_ast->SearchPathOpts;
  -
  + // As this is a copy constructor, make sure we copy the clang importer
  + // options from RHS to LHS.
  GetCompilerInvocation().getClangImporterOptions() =
  rhs.m_compiler_invocation_ap->getClangImporterOptions();
  }
  