mesa: 7f80041efae5be95ef53b8164e67027d234f9574 (master)

Run glean api2 on 64-bit build. A SIGSEGV occurs. The SIGSEGV does not happen with a 32-bit build.

The regression was introduced by the glsl branch merge.

git bisect good 15a3b42e135a3a2cb463ec3cff80a55dd8528051
git bisect bad 6c03c576cc49bbb008de66d374f4302ff0fe0390

(gdb) bt full
#0  0x00007fa5d27c599c in ir_has_call (ir=0x7f0000000000) at src/glsl/ir_basic_block.cpp:56
        v = {<ir_hierarchical_visitor> = {_vptr.ir_hierarchical_visitor = 0x7fa5d3218230, base_ir = 0x0, callback = 0, 
            data = 0x0}, has_call = false}
#1  0x00007fa5d27a35a8 in do_dead_code (instructions=0x2d65890) at src/glsl/ir_dead_code.cpp:80
        entry = 0x3234c60
        iter = {<iterator> = {<No data fields>}, node = 0x3234c60, _next = 0x3234cf0}
        v = {<ir_hierarchical_visitor> = {_vptr.ir_hierarchical_visitor = 0x7fa5d3217770, base_ir = 0x0, callback = 0, 
            data = 0x0}, variable_list = {head = 0x338f840, tail = 0x0, tail_pred = 0x30d8e70}, mem_ctx = 0x30171a0}
        progress = true
#2  0x00007fa5d2792d98 in do_common_optimization (ir=0x2d65890, linked=true) at src/glsl/glsl_parser_extras.cpp:725
        progress = 1 '\001'
#3  0x00007fa5d27b6bc4 in link_shaders (ctx=0x2c8c5c0, prog=0x2e261e0) at src/glsl/linker.cpp:1332
        i = 0
        vert_shader_list = 0x3206940
        num_frag_shaders = 1
        min_version = 110
        max_version = 110
        num_vert_shaders = 0
        frag_shader_list = 0x3206948
#4  0x00007fa5d26a277a in _mesa_glsl_link_shader (ctx=0x2c8c5c0, prog=0x2e261e0) at src/mesa/program/ir_to_mesa.cpp:2741
        i = 1
#5  0x00007fa5d266845e in link_program (ctx=0x2c8c5c0, program=5) at src/mesa/main/shaderapi.c:829
        shProg = 0x2e261e0
        obj = 0x2cd1720
        __FUNCTION__ = "link_program"
#6  0x00007fa5d266916b in _mesa_LinkProgramARB (programObj=5) at src/mesa/main/shaderapi.c:1342
        ctx = 0x2c8c5c0
#7  0x0000000000489a84 in GLEAN::API2Test::createProgram(unsigned int, unsigned int) ()
No symbol table info available.
#8  0x0000000000489f3a in GLEAN::API2Test::testUniformfFuncs() ()
No symbol table info available.
#9  0x000000000048afad in GLEAN::API2Test::runSubTests(GLEAN::MultiTestResult&) ()
No symbol table info available.
#10 0x000000000048b03e in GLEAN::API2Test::runOne(GLEAN::MultiTestResult&, GLEAN::Window&) ()
No symbol table info available.
#11 0x000000000048bda7 in GLEAN::BaseTest<GLEAN::MultiTestResult>::run(GLEAN::Environment&) ()
No symbol table info available.
#12 0x000000000048354f in main ()
No symbol table info available.