matrixError.vert
ERROR: 0:10: 'constructor' : too many arguments 
ERROR: 0:7: 'const' : non-matching or non-convertible constant type for const initializer 
ERROR: 0:17: 'assign' :  cannot convert from '2-component vector of float' to '3-component vector of float'
ERROR: 0:18: 'assign' :  cannot convert from '2-component vector of float' to '3-component vector of float'
ERROR: 0:19: '.' : field selection not allowed on matrix 
ERROR: 0:21: '[' :  matrix index out of range '2'
ERROR: 0:21: '[' :  vector index out of range '4'
ERROR: 7 compilation errors.  No code generated.


ERROR: node is still EOpNull!
0:12  Function Definition: main( (void)
0:12    Function Parameters: 
0:?     Sequence
0:17      'a' (3-component vector of float)
0:18      'b' (3-component vector of float)
0:19      'm23' (2X3 matrix of float)
0:21      move second child to first child (4-component vector of float)
0:21        'gl_Position' (gl_Position 4-component vector of float)
0:21        Construct vec4 (4-component vector of float)
0:21          matrix-times-vector (3-component vector of float)
0:21            matrix-multiply (3X3 matrix of float)
0:21              'm23' (2X3 matrix of float)
0:21              'm32' (uniform 3X2 matrix of float)
0:21            'v3' (in 3-component vector of float)
0:21          direct index (float)
0:21            direct index (4-component vector of float)
0:21              'm24' (2X4 matrix of float)
0:21              Constant:
0:21                2 (const int)
0:21            Constant:
0:21              4 (const int)
0:?   Linker Objects
0:?     'v3' (in 3-component vector of float)
0:?     'm32' (uniform 3X2 matrix of float)
0:?     'm24' (2X4 matrix of float)


Linked vertex stage: