chao an
8ff97f6210
compiler/tasking: fix unreachable code on tasking toolchain
ctc W544: ["serial/serial.c" 284/3] unreachable code
ctc W544: ["vfs/fs_lseek.c" 96/13] unreachable code
ctc W544: ["wqueue/kwork_thread.c" 210/32] unreachable code
ctc W544: ["stdio/lib_fopen.c" 327/19] unreachable code
ctc W544: ["stdio/lib_fopen.c" 404/13] unreachable code
ctc W544: ["string/lib_strcasestr.c" 120/3] unreachable code
ctc W544: ["unistd/lib_getopt_common.c" 156/21] unreachable code
ctc W544: ["unistd/lib_getopt_common.c" 216/21] unreachable code
ctc W544: ["wctype/lib_iswctype.c" 155/3] unreachable code
Signed-off-by: chao an <anchao@lixiang.com>