PVS-Studio warning V570 for Coin3D

void
SoText3P::generate(....)
{
  ....
  v0[0] = v0[0];
  ....
}

This suspicious code was found in Coin3D project by PVS-Studio static code analyzer.
Warning message is:
V570 The 'v0[0]' variable is assigned to itself. sotext3.cpp 1158

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/