a couple of us QF codes are questioning this, looks like gcc
optimizations or gdb are interefering cause the way QF handles the
vertex array (with error checking), it's impossable for starters for it
send a NULL indices pointer, not to mention a 0 count.

> #9  0x41620115 in _tnl_DrawElements (mode=2823, count=137243856,
>     type=137243856, indices=0x8318ba8) at t_array_api.c:99
> #10 0x415bb936 in neutral_DrawElements (mode=0, count=0, type=0, indices=0x0)
>     at ../../../../extras/Mesa/src/vtxfmt_tmp.h:369
> #11 0x41680571 in radeon_fallback_DrawElements (mode=0, count=0, type=0,
>     indices=0x0) at ../../../../../../extras/Mesa/src/vtxfmt_tmp.h:369
> #12 0x415bb936 in neutral_DrawElements (mode=0, count=0, type=0, indices=0x0)
>     at ../../../../extras/Mesa/src/vtxfmt_tmp.h:369
> #13 0x40026f38 in Draw_nString (x=6, y=1078070736,
>     str=0x4144e780 "_histogram GL_EXT_packed_pixels GL_EXT_polygon_offset", ' ' 
><repeats 19 times>, "GL_EXT_rescale_normal GL_EXT_secondary_color GL_EXT_texture3D", 
>' ' <repeats 17 times>, "GL_EXT_texture_env_add GL_EXT_texture_env_combine ---Type 
><return> to continue, or q <return> to quit---
> "..., count=0) at gl_draw.c:367
> #14 0x72676f74 in ?? ()


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