New comment by duncancmt on void-packages repository

https://github.com/void-linux/void-packages/issues/25531#issuecomment-713101307

Comment:
I'm re-opening this issue because #25605 did not fix the segfault here. Fortunately, it *did* fix `gdb`, so now I have a backtrace
```
# gdb --args `which mupdatedb` -f proc
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Reading symbols from /bin/mupdatedb...
Reading symbols from /usr/lib/debug//usr/bin/mupdatedb...
(gdb) run
Starting program: /usr/bin/mupdatedb -f proc

Program received signal SIGSEGV, Segmentation fault.
0x0000fffff7fa4440 in strcmp (l=0xfffff7ffb5c0 "/boot",
    r=0xffffffffaaace020 <error: Cannot access memory at address 0xffffffffaaace020>) at src/string/strcmp.c:5
5       src/string/strcmp.c: No such file or directory.
(gdb) bt
#0  0x0000fffff7fa4440 in strcmp (l=0xfffff7ffb5c0 "/boot",
    r=0xffffffffaaace020 <error: Cannot access memory at address 0xffffffffaaace020>) at src/string/strcmp.c:5
#1  0x0000aaaaaaaaea94 in filesystem_is_excluded (path=0xfffff7ffb5c0 "/boot") at src/updatedb.c:404
#2  scan (path=0xfffff7ffb5c0 "/boot", cwd_fd=0xfffffffff178, relative=0xaaaaaaacc229 "boot", st_parent=<optimized out>)
    at src/updatedb.c:765
#3  0x0000aaaaaaaaf1d0 in scan_subdirs (st=0xfffffffff180, dir=<synthetic pointer>) at src/updatedb.c:497
#4  scan (path=<optimized out>, cwd_fd=0xfffffffff328, relative=<optimized out>, st_parent=<optimized out>) at src/updatedb.c:825
#5  0x0000aaaaaaaac778 in main (argc=<optimized out>, argv=<optimized out>) at src/updatedb.c:1012
```