//crash error
Thread 94 "Thread (pooled)" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffdaf0a700 (LWP 10105)]
tcache_get (tc_idx=0) at malloc.c:2943
2943	malloc.c: No such file or directory.

//(gdb) bt
#0  tcache_get (tc_idx=0) at malloc.c:2943
#1  __GI___libc_malloc (bytes=4) at malloc.c:3050
#2  0x00007ffff6fcd4e0 in g_ucs4_to_utf8 ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff6fcf664 in g_utf8_normalize ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fffc00361a1 in ?? () from /usr/lib/x86_64-linux-gnu/libenchant.so.1
#5  0x00007fffc00371ac in ?? () from /usr/lib/x86_64-linux-gnu/libenchant.so.1
#6  0x00007fffc0037444 in enchant_pwl_check ()
   from /usr/lib/x86_64-linux-gnu/libenchant.so.1
#7  0x00007fffc00331c1 in ?? () from /usr/lib/x86_64-linux-gnu/libenchant.so.1
#8  0x00007fffc0033fee in enchant_dict_check ()
   from /usr/lib/x86_64-linux-gnu/libenchant.so.1
#9  0x000000000102008a in enchant::Dict::check(std::string const&) ()
#10 0x000000000633a580 in ?? ()
#11 0x00007fffbc68b330 in ?? ()
#12 0x0000000001020221 in ?? ()
#13 0x0000000000fc6770 in ?? ()
#14 0x00007fffbc68d4b0 in ?? ()
#15 0x00007fffd000c2d8 in ?? ()
#16 0x00000000027d8e72 in ?? ()
#17 0x00007ffff000ce38 in ?? ()
#18 0x0000000000000003 in ?? ()
---Type <return> to continue, or q <return> to quit---
#19 0x00007fffdaf09bb8 in ?? ()
#20 0x0000000300000000 in ?? ()
#21 0x000000000668ef30 in ?? ()
#22 0x00007fffdaf09bb8 in ?? ()
#23 0x00007fffdaf09bc0 in ?? ()
#24 0x000000000a251db0 in ?? ()
#25 0x0000000000000003 in ?? ()
#26 0x00007fffdaf09c50 in ?? ()
#27 0x0000000000000000 in ?? ()

//(gdb) bt full
#0  tcache_get (tc_idx=0) at malloc.c:2943
        e = 0x6d617267656c6574
        e = <optimized out>
#1  __GI___libc_malloc (bytes=4) at malloc.c:3050
        ar_ptr = <optimized out>
        victim = <optimized out>
        hook = <optimized out>
        tbytes = <optimized out>
        tc_idx = <optimized out>
        __x = <optimized out>
        ignore1 = <optimized out>
        ignore2 = <optimized out>
        ignore3 = <optimized out>
        ignore = <optimized out>
#2  0x00007ffff6fcd4e0 in g_ucs4_to_utf8 ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff6fcf664 in g_utf8_normalize ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fffc00361a1 in ?? () from /usr/lib/x86_64-linux-gnu/libenchant.so.1
No symbol table info available.
#5  0x00007fffc00371ac in ?? () from /usr/lib/x86_64-linux-gnu/libenchant.so.1
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#6  0x00007fffc0037444 in enchant_pwl_check ()
   from /usr/lib/x86_64-linux-gnu/libenchant.so.1
No symbol table info available.
#7  0x00007fffc00331c1 in ?? () from /usr/lib/x86_64-linux-gnu/libenchant.so.1
No symbol table info available.
#8  0x00007fffc0033fee in enchant_dict_check ()
   from /usr/lib/x86_64-linux-gnu/libenchant.so.1
No symbol table info available.
#9  0x000000000102008a in enchant::Dict::check(std::string const&) ()
No symbol table info available.
#10 0x000000000633a580 in ?? ()
No symbol table info available.
#11 0x00007fffbc68b330 in ?? ()
No symbol table info available.
#12 0x0000000001020221 in ?? ()
No symbol table info available.
#13 0x0000000000fc6770 in ?? ()
No symbol table info available.
#14 0x00007fffbc68d4b0 in ?? ()
No symbol table info available.
#15 0x00007fffd000c2d8 in ?? ()
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#16 0x00000000027d8e72 in ?? ()
No symbol table info available.
#17 0x00007ffff000ce38 in ?? ()
No symbol table info available.
#18 0x0000000000000003 in ?? ()
No symbol table info available.
#19 0x00007fffdaf09bb8 in ?? ()
No symbol table info available.
#20 0x0000000300000000 in ?? ()
No symbol table info available.
#21 0x000000000668ef30 in ?? ()
No symbol table info available.
#22 0x00007fffdaf09bb8 in ?? ()
No symbol table info available.
#23 0x00007fffdaf09bc0 in ?? ()
No symbol table info available.
#24 0x000000000a251db0 in ?? ()
No symbol table info available.
#25 0x0000000000000003 in ?? ()
No symbol table info available.
#26 0x00007fffdaf09c50 in ?? ()
No symbol table info available.
#27 0x0000000000000000 in ?? ()