Bug#1033656: bt full with dbgsym

[Mathieu Malaterre]

% gdb cjxl
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Reading symbols from cjxl...
Reading symbols from
/usr/lib/debug/.build-id/ab/48fb952e2934f68e4c2a25c9f41febf3647a3a.debug...
(gdb) r
Starting program: /usr/bin/cjxl
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".

Program received signal SIGILL, Illegal instruction.
hwy::(anonymous namespace)::robust_statistics::CountingSort<unsigned
long long> (values=0xbeffeda8, num_values=256) at
./hwy/nanobenchmark.cc:214
214       std::vector<Unique> unique;
(gdb) bt full
#0  hwy::(anonymous
namespace)::robust_statistics::CountingSort<unsigned long long>
(values=0xbeffeda8, num_values=256) at ./hwy/nanobenchmark.cc:214
        unique = std::vector of length 0, capacity 200277594
        p = <optimized out>
#1  0xb6e32256 in hwy::(anonymous
namespace)::robust_statistics::Mode<unsigned long long>
(num_values=256, values=0xbeffeda8) at ./hwy/nanobenchmark.cc:286
No locals.
#2  hwy::(anonymous namespace)::robust_statistics::Mode<unsigned long
long, 256> (values=...) at ./hwy/nanobenchmark.cc:292
No locals.
#3  hwy::platform::TimerResolution () at ./hwy/nanobenchmark.cc:480
        samples = {1760, 680, 760, 720, 720, 760, 720, 640, 600, 680,
720, 720, 720, 720, 720, 640, 600, 680, 720, 720, 720, 720, 720, 640,
600, 680, 760, 720, 720, 720, 720, 680, 640, 680, 720, 760, 720,
          760, 720, 680, 640, 639, 720, 720, 720, 760, 720, 680, 600,
680, 720, 720, 760, 720, 720, 680, 640, 680, 720, 760, 720, 760, 720,
680, 600, 640, 720, 720, 720, 760, 720, 640, 600, 680, 760, 720,
          720, 720, 760, 680, 640, 680, 720, 720, 720, 720, 720, 680,
640, 680, 720, 720, 720, 760, 720, 680, 600, 680, 720, 720, 720, 760,
720, 680, 600, 640, 720, 760, 720, 720, 720, 680, 600, 640, 720,
          720, 760, 720, 720, 680, 600, 640, 720, 720, 720, 720, 720,
680, 640, 680, 720, 720, 760, 720, 720, 680, 600, 680, 760, 760, 720,
720, 720, 680, 600, 680, 760, 720, 720, 720, 720, 680, 600, 640,
          720, 760, 720, 720, 760, 680, 640, 680, 760, 720, 720, 720,
760, 680, 640, 680, 720, 720, 720, 720, 720, 680, 640, 680, 720, 720,
720, 760, 720, 680, 600, 680, 720, 720, 720, 760, 720, 680, 600,
          640, 720, 760, 720, 720, 720, 680...}
        i = <optimized out>
        t0 = <optimized out>
        t1 = <optimized out>
        rep = <optimized out>
        can_use_stop = true
        repetitions = {0 <repeats 12 times>, 13186041144842129408, 1,
17592186044416, 15272538, 142541998690477, 17592186048511, 0, 1,
142541374619648, 5777693, 132592, 264, 2164, 1680014893, 15272538,
          1680014820, 620070873, 1680014820, 624070829, 1675175164, 0,
0, 4294967550, 0, 13762973729367785472, 13186241022805295247,
13185760231415605028, 545357767376899, 0, 0, 0, 0, 562949953421312,
          550391469175956, 4096, 562949953421317, 580748298035200,
17592186179636, 12885028864, 0, 204933623896, 13185811011904471040,
214748364800, 13186241019735179264, 13155823755177423432, 16089343920,
          13762973007813279746, 13185765720249593216, 0,
13185765720249593216, 0, 13185765720249593216, 0, 17595256270208,
16089343880, 13186532544935362560, 0, 13762975155296927744,
8309530817697147188,
          25769934848, 17595254339061, 580765477765120, 8589934595,
580768540979252, 65025, 5777693, 65025, 5777693, 4295000484, 0, 0,
132592, 4096, 264, 1680014893, 15272538, 1675175164, 0, 1680014820,
          13155827655007724148, 13186223049592012800,
13155827651937566720, 13185775014558756952, 13762975106961762556,
13185776139974469871, 13186226454276272160, 1, 3204442356, 1, 0,
4294967317,
          7365196392, 4294967306, 13762989606637072416, 2199023255566,
282579962709375, 0, 4297588739, 223338299392, 360292368236282336,
11259024840327220, 4296605722, 0, 550391469047808, 21474964628,
          4294971392, 578600814378556, 2147483782716, 25769804280,
8589938688, 579545707183896, 996432547608, 25769804008, 17179869188,
1047972020468, 154618822900, 17179869220, 7238662637146341380, 0, 0,
          25769803776, 7238662641441308688, 578600814378556,
1941325352508, 17179869636, 17179869185, 12884901908,
4116180958662970951, 6298471032490531664, 11912611826552620581,
38654705667, 25769803778,
          9799869300677419416, 42949672969, 17050484449554202637,
14311808551372633164, 16948032204727468581, 2814546232200178528,
215689415, 0, 0, 1136, 589827, 135212, 300649021443, 0, 68719476770,
0,
          1000727380000, 0, 876173328402, 0, 4294967314, 0,
188978561056, 0, 365072220192, 13762980944912845132,
13156403332174053376, 13762980948117286384, 13155827655007727704,
13185704267991739608, 0,
          13185944611157180416, 3204443700, 13762980947982878725,
3204443700, 13762977632402533940, 13185944571411950376, 3070229004,
13762980604378672928, 13186241022939622976, 13762979401787696012,
          0 <repeats 15 times>, 37429899272, 13762979195636342784,
13185881157310349312, 37429900160, 13762979195636345096,
13185881157310349313, 13762978680374553768...}
#4  0xb6e30e0e in __static_initialization_and_destruction_0
(__priority=65535, __initialize_p=1) at ./hwy/nanobenchmark.cc:488
No locals.
#5  _GLOBAL__sub_I_nanobenchmark.cc(void) () at ./hwy/nanobenchmark.cc:763
No locals.
#6  0xb6fd244c in ?? () from /lib/ld-linux-armhf.so.3
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)