GCC generates invalid character when compiling hello world program

bootmgr--- via Gcc-help <gcc-help@xxxxxxxxxxx> · Sun, 8 Aug 2021 13:44:26 +0800 (CST)

The gcc I compiled generated wrong assembly code on Windows.
This gcc is Canadian compiled from Ubuntu, and I did not apply any patches on https://github.com/msys2/MINGW-packages.
Error Messages:
H:\cxx>gcc hw.c
C:\Users\ADMINI~1\AppData\Local\Temp\ccaNW5Tf.s: Assembler messages:
C:\Users\ADMINI~1\AppData\Local\Temp\ccaNW5Tf.s:39: Warning: missing closing `"'
C:\Users\ADMINI~1\AppData\Local\Temp\ccaNW5Tf.s:39: Error: invalid character (0xa in mnemonic

GCC configured by ../gcc/configure --disable-multilib --disable-nls --disable-rpath --disable-win32-registry --enable-gra
phite --enable-languages=c,c++,lto --enable-mingw-wildcard --enable-threads=posix --disable-libstdcxx-pch --disable-libs
tdcxx-verbose --enable-fully-dynamic-string --enable-large-address-aware --host=x86_64-w64-mingw32 --target=x86_64-w64-m
ingw32 --prefix=/mingw64
Attachment:
source code and assembly code.tgz

Description: GNU Zip compressed data