330comp.frag
Shader version: 330
0:? Sequence
0:8  Function Definition: main( (global void)
0:8    Function Parameters: 
0:10    Sequence
0:10      move second child to first child (temp 4-component vector of float)
0:10        'gl_FragColor' (fragColor 4-component vector of float FragColor)
0:10        'varyingVar' (smooth in 4-component vector of float)
0:11      move second child to first child (temp 4-component vector of float)
0:11        direct index (temp 4-component vector of float FragData)
0:11          'gl_FragData' (fragColor 32-element array of 4-component vector of float FragData)
0:11          Constant:
0:11            1 (const int)
0:11        vector-times-matrix (temp 4-component vector of float)
0:11          'inVar' (smooth in 4-component vector of float)
0:11          'gl_ModelViewMatrix' (uniform 4X4 matrix of float)
0:?   Linker Objects
0:?     'inVar' (smooth in 4-component vector of float)
0:?     'outVar' (out 4-component vector of float)
0:?     'varyingVar' (smooth in 4-component vector of float)


Linked fragment stage:

ERROR: Linking fragment stage: Cannot use both gl_FragColor and gl_FragData

Shader version: 330
0:? Sequence
0:8  Function Definition: main( (global void)
0:8    Function Parameters: 
0:10    Sequence
0:10      move second child to first child (temp 4-component vector of float)
0:10        'gl_FragColor' (fragColor 4-component vector of float FragColor)
0:10        'varyingVar' (smooth in 4-component vector of float)
0:11      move second child to first child (temp 4-component vector of float)
0:11        direct index (temp 4-component vector of float FragData)
0:11          'gl_FragData' (fragColor 32-element array of 4-component vector of float FragData)
0:11          Constant:
0:11            1 (const int)
0:11        vector-times-matrix (temp 4-component vector of float)
0:11          'inVar' (smooth in 4-component vector of float)
0:11          'gl_ModelViewMatrix' (uniform 4X4 matrix of float)
0:?   Linker Objects
0:?     'inVar' (smooth in 4-component vector of float)
0:?     'outVar' (out 4-component vector of float)
0:?     'varyingVar' (smooth in 4-component vector of float)