PVS-Studio warning V668 for OGDF

String::String()
{
  m_pChar = new char[1];
  if (m_pChar == 0) OGDF_THROW(InsufficientMemoryException);
  m_pChar[0] = 0;
  m_length = 0;
}

This suspicious code was found in OGDF project by PVS-Studio static code analyzer.
Warning message is:
V668 There is no sense in testing the 'm_pChar' pointer against null, as the memory was allocated using the 'new' operator. The exception will be generated in the case of memory allocation error. ogdf string.cpp 60

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