https://bugs.freedesktop.org/show_bug.cgi?id=82828
--- Comment #8 from Pavel Ondra?ka <pavel.ondracka at email.cz> ---
Ok, so indeed I got NO_REG for g->nodes[n2].reg
print g->nodes[n2].reg
$1 = 4294967295
than I set breakpoint at end of ra_simplify (it gets called just once before
the crash)
Breakpoint 1, ra_simplify (g=0x80c2058)
at ../../src/mesa/program/register_allocate.c:491
491 }
(gdb) print g->count
$2 = 3
print g->nodes[0]
$3 = {adjacency = 0x81b8968, adjacency_list = 0x80c1658,
adjacency_list_size = 4, adjacency_count = 3, class = 0, reg = 4294967295,
in_stack = false, q_total = 4294967295, spill_cost = 0}
print g->nodes[1]
$4 = {adjacency = 0x81b3d18, adjacency_list = 0x80c1b58,
adjacency_list_size = 4, adjacency_count = 3, class = 2, reg = 4294967295,
in_stack = true, q_total = 2, spill_cost = 0}
print g->nodes[2]
$5 = {adjacency = 0x81c0328, adjacency_list = 0x80c18d8,
adjacency_list_size = 4, adjacency_count = 3, class = 3, reg = 4294967295,
in_stack = true, q_total = 4, spill_cost = 0}
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