Created attachment 14991 [details]
patch

cat > test.c <<EOF
struct THD;
extern __thread struct THD *current_thd;
void *test() { return current_thd; }
EOF
    
gcc -ftls-model=initial-exec -shared -fPIC -o libtest.so test.c
env LD_TRACE_LOADED_OBJECTS=1 LD_WARN=1 LD_BIND_NOW=1 /lib64/ld-linux-loongarch-lp64d.so.1 ./libtest.so
    statically linked
undefined symbol: current_thd   (./libtest.so)
Segmentation fault
    
This failure is particularly annoying since the above tracing command is used when building RPM packages.