message: Add currentPrimaryInput parameter to handleDiagnostic
diff: @@ -2732,7 +2732,8 @@ public:
  swift::DiagnosticKind kind,
  llvm::StringRef formatString,
  llvm::ArrayRef<swift::DiagnosticArgument> formatArgs,
  - const swift::DiagnosticInfo &info) {
  + const swift::DiagnosticInfo &info,
  + StringRef currentPrimaryInput) {
  llvm::StringRef bufferName = "<anonymous>";
  unsigned bufferID = 0;
  std::pair<unsigned, unsigned> line_col = {0, 0};
  