riscv{32,64}-unknown-linux-musl runtime error #4920
Description
import core.stdc.stdio;
extern(C) int main(int argc, char** argv){
printf("argc=%d\n", argc);
return 0;
}ldc2 -betterC -mtriple=risc64-unknown-linux-musl test.d
/ldc/bin/../import/core/stdc/stdio.d(1464): Error: `pragma(printf)` function `vfprintf` must have signature `int vfprintf([parameters...], const(char)*, va_list)`
/ldc/bin/../import/core/stdc/stdio.d(1467): Error: `pragma(scanf)` function `vfscanf` must have signature `int vfscanf([parameters...], const(char)*, va_list)`
/ldc/bin/../import/core/stdc/stdio.d(1470): Error: `pragma(printf)` function `vsprintf` must have signature `int vsprintf([parameters...], const(char)*, va_list)`
/ldc/bin/../import/core/stdc/stdio.d(1473): Error: `pragma(scanf)` function `vsscanf` must have signature `int vsscanf([parameters...], const(char)*, va_list)`
/ldc/bin/../import/core/stdc/stdio.d(1476): Error: `pragma(printf)` function `vprintf` must have signature `int vprintf([parameters...], const(char)*, va_list)`
/ldc/bin/../import/core/stdc/stdio.d(1479): Error: `pragma(scanf)` function `vscanf` must have signature `int vscanf([parameters...], const(char)*, va_list)`
/ldc/bin/../import/core/stdc/stdio.d(1979): Error: `pragma(printf)` function `vsnprintf` must have signature `int vsnprintf([parameters...], const(char)*, va_list)`ldc2 -betterC -mtriple=riscv64-unknown-linux-musl -c core/sys/posix/signal.d
/ldc/import/core/sys/posix/signal.d(2767): Error: static assert: "unimplemented"
static assert(0, "unimplemented");