llvm-cbe: CommandLine Error: Option 'mc-relax-all' registered more than once!

[longbiao7498]

llvm-cbe report error : CommandLine Error: Option 'mc-relax-all' registered more than once!, but i did not specify any CommandLine option;
the llvm-cbe is newest(7df29ae), llvm is llvm-10.x, And cpu is aarch64;
below is detail error log :

[root@cn20447 llvm-cbe-error-report]# ./llvm-cbe parallel.bc.ll
llvm-cbe: CommandLine Error: Option 'mc-relax-all' registered more than once!
LLVM ERROR: inconsistency in registered CommandLine options
[root@cn20447 llvm-cbe-error-report]# ldd ./llvm-cbe
linux-vdso.so.1 (0x000040003cfd2000)
libpthread.so.0 => /lib/aarch64-linux-gnu/libpthread.so.0 (0x000040003cfe4000)
libz.so.1 => /lib/aarch64-linux-gnu/libz.so.1 (0x000040003d013000)
librt.so.1 => /lib/aarch64-linux-gnu/librt.so.1 (0x000040003d03d000)
libdl.so.2 => /lib/aarch64-linux-gnu/libdl.so.2 (0x000040003d055000)
libtinfo.so.6 => /lib/aarch64-linux-gnu/libtinfo.so.6 (0x000040003d069000)
libstdc++.so.6 => /lib/aarch64-linux-gnu/libstdc++.so.6 (0x000040003d0a6000)
libm.so.6 => /lib/aarch64-linux-gnu/libm.so.6 (0x000040003d28a000)
libgcc_s.so.1 => /lib/aarch64-linux-gnu/libgcc_s.so.1 (0x000040003d334000)
libc.so.6 => /lib/aarch64-linux-gnu/libc.so.6 (0x000040003d358000)
/lib/ld-linux-aarch64.so.1 (0x000040003cfb2000)

[longbiao7498]

parallel.bc.zip
the attach file is paraller.bc.ll