PVS-Studio warning V525 for Source SDK

inline void SetX( float val );
inline void SetY( float val );
inline void SetZ( float val );
inline void SetW( float val );

inline void Init( float ix=0, float iy=0,
                  float iz=0, float iw = 0 )
{
  SetX( ix );
  SetY( iy );
  SetZ( iz );
  SetZ( iw );
}

This suspicious code was found in Source SDK project by PVS-Studio static code analyzer.
Warning message is:
V525 The code containing the collection of similar blocks. Check items 'SetX', 'SetY', 'SetZ', 'SetZ' in lines 455, 456, 457, 458. Client (HL2) networkvar.h 455

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