Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffef216700 (LWP 32714)]
0x00007ffff249434a in glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, 
    ir=0x7fffa2401060) at state_tracker/st_glsl_to_tgsi.cpp:1482
1482	   result_src = get_temp(ir->type);
(gdb) bt
#0  0x00007ffff249434a in glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, 
    ir=0x7fffa2401060) at state_tracker/st_glsl_to_tgsi.cpp:1482
#1  0x00007ffff249425a in glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, 
    ir=0x7fffa0671f60) at state_tracker/st_glsl_to_tgsi.cpp:1456
#2  0x00007ffff249425a in glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, 
    ir=0x7fffa0672060) at state_tracker/st_glsl_to_tgsi.cpp:1456
#3  0x00007ffff249425a in glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, 
    ir=0x7fffa06768c0) at state_tracker/st_glsl_to_tgsi.cpp:1456
#4  0x00007ffff249425a in glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, 
    ir=0x7fffa2445870) at state_tracker/st_glsl_to_tgsi.cpp:1456
#5  0x00007ffff2495370 in glsl_to_tgsi_visitor::try_emit_mad (mul_operand=1, 
    ir=0x7fffa2367e90, this=0x7fffa2428c80)
    at state_tracker/st_glsl_to_tgsi.cpp:1350
#6  glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, ir=0x7fffa2367e90)
    at state_tracker/st_glsl_to_tgsi.cpp:1436
#7  0x00007ffff249425a in glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, 
    ir=0x7fffa2414690) at state_tracker/st_glsl_to_tgsi.cpp:1456
#8  0x00007ffff249549b in glsl_to_tgsi_visitor::try_emit_mad (mul_operand=1, 
    ir=0x7fffa2414890, this=0x7fffa2428c80)
    at state_tracker/st_glsl_to_tgsi.cpp:1354
#9  glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, ir=0x7fffa2414890)
    at state_tracker/st_glsl_to_tgsi.cpp:1436
#10 0x00007ffff249549b in glsl_to_tgsi_visitor::try_emit_mad (mul_operand=1, 
---Type <return> to continue, or q <return> to quit---
    ir=0x7fffa2478780, this=0x7fffa2428c80)
    at state_tracker/st_glsl_to_tgsi.cpp:1354
#11 glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, ir=0x7fffa2478780)
    at state_tracker/st_glsl_to_tgsi.cpp:1436
#12 0x00007ffff24a9067 in glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, 
    ir=0x7fffa2478810) at state_tracker/st_glsl_to_tgsi.cpp:2778
#13 0x00007ffff24800c7 in glsl_to_tgsi_visitor::visit (this=0x7fffa2428c80, 
    ir=<optimized out>) at state_tracker/st_glsl_to_tgsi.cpp:1334
#14 0x00007ffff2573bbd in visit_exec_list (list=<optimized out>, 
    visitor=visitor@entry=0x7fffa2428c80) at ir.cpp:1879
#15 0x00007ffff24ac1c4 in get_mesa_program (ctx=ctx@entry=0x4917660, 
    shader_program=shader_program@entry=0x7fffa23d4b20, shader=0x7fffa236f3f0)
    at state_tracker/st_glsl_to_tgsi.cpp:5535
#16 0x00007ffff24b2ee7 in st_link_shader (ctx=0x4917660, prog=0x7fffa23d4b20)
    at state_tracker/st_glsl_to_tgsi.cpp:5860
#17 0x00007ffff24d0b6a in _mesa_glsl_link_shader (ctx=0x4917660, 
    prog=0x7fffa23d4b20) at program/ir_to_mesa.cpp:2984
#18 0x00007ffff23a56cf in link_program (program=<optimized out>, ctx=0x4917660)
    at main/shaderapi.c:1047
#19 _mesa_LinkProgram (programObj=<optimized out>) at main/shaderapi.c:1517
#20 0x0000000001872edf in ?? ()
#21 0x0000000000ebf1d4 in ?? ()
#22 0x00000000010aae90 in ?? ()
---Type <return> to continue, or q <return> to quit---
#23 0x00000000008995b4 in ?? ()
#24 0x000000000089a469 in ?? ()
#25 0x0000000000b8e776 in ?? ()
#26 0x0000000000ba7dd2 in ?? ()
#27 0x0000000000c0b707 in ?? ()
#28 0x0000000000db43c8 in ?? ()
#29 0x00007ffff7bc54a4 in start_thread () from /usr/lib/libpthread.so.0
#30 0x00007ffff646413d in clone () from /usr/lib/libc.so.6