PVS-Studio warning V586 for blender

int ntlGeometryObjModel::initModel(....)
{
  ...
  ntlSetVec3f averts; averts.mVerts.clear();
  ntlSetVec3f anorms; averts.mVerts.clear();
  ...
}

This is what should have been written here: ntlSetVec3f averts; averts.mVerts.clear(); ntlSetVec3f anorms; anorms.mVerts.clear();

This suspicious code was found in blender project by PVS-Studio static code analyzer.
Warning message is:
V586 The 'clear' function is called twice for deallocation of the same resource. Check lines: 176, 177. bf_intern_elbeem ntl_geometrymodel.cpp 177

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/