message: Whitelist SetTriple() in check-ast-context since it is now called in
  the constructor.
diff: @@ -420,7 +420,8 @@ def main():
  'HasFatalErrors',
  'GetFatalErrors',
  'PrintDiagnostics',
  - 'GetASTContext'
  + 'GetASTContext',
  + 'SetTriple'
  ]
  for method in methods:
  