mesa: 6f839eb631511925505093be4d0509ac14f5675b (master)

Run piglit vp-ignore-input on softpipe.

$ ./bin/vp-ignore-input
Segmentation fault (core dumped)

(gdb) bt
#0  0x00fca038 in ?? ()
#1  0x0035e8a8 in draw_vertex_shader_run (middle=0x4, fetch_info=0x4, prim_info=0xbfc7d220) at draw/draw_pt_fetch_shade_pipeline.c:189
#2  fetch_pipeline_generic (middle=0x4, fetch_info=0x4, prim_info=0xbfc7d220) at draw/draw_pt_fetch_shade_pipeline.c:238
#3  0x0035ea4c in fetch_pipeline_linear_run (middle=0x92c4168, start=0, count=4, prim_flags=0) at draw/draw_pt_fetch_shade_pipeline.c:345
#4  0x00361352 in vsplit_segment_simple_linear (frontend=0x92c1680, start=0, count=4) at draw/draw_pt_vsplit_tmp.h:229
#5  vsplit_run_linear (frontend=0x92c1680, start=0, count=4) at draw/draw_split_tmp.h:61
#6  0x0035d4cc in draw_pt_arrays (draw=0x92ba888, info=0xbfc7d860) at draw/draw_pt.c:113
#7  draw_vbo (draw=0x92ba888, info=0xbfc7d860) at draw/draw_pt.c:398
#8  0x0016d264 in softpipe_draw_vbo (pipe=0x92b9968, info=0xbfc7d860) at sp_draw_arrays.c:143
#9  0x0024dbce in st_draw_vbo (ctx=0x92cd580, arrays=0x9312b8c, prims=0xbfc7d8ec, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001', min_index=0, max_index=3)
    at state_tracker/st_draw.c:719
#10 0x00306578 in vbo_exec_DrawArrays (mode=0, start=0, count=4) at vbo/vbo_exec_array.c:526
#11 0x00244812 in neutral_DrawArrays (mode=0, start=0, count=4) at main/vtxfmt_tmp.h:327
#12 0x0804aafd in piglit_display () at piglit/tests/shaders/vp-ignore-input.c:124
#13 0x0804c3ab in display () at piglit/tests/util/piglit-framework.c:52
#14 0x00d7e820 in ?? () from /usr/lib/libglut.so.3
#15 0x00d82660 in fgEnumWindows () from /usr/lib/libglut.so.3
#16 0x00d7ecdb in glutMainLoopEvent () from /usr/lib/libglut.so.3
#17 0x00d7f605 in glutMainLoop () from /usr/lib/libglut.so.3
#18 0x0804c554 in main (argc=1, argv=0xbfc7dcd4) at piglit/tests/util/piglit-framework.c:118