In linenoise.c in linenoiseRaw() isatty() is called on stdin in order to determine where to send the redis-cli prompt. The FDAPI implementation of isatty was not handling this case, so the prompt was not showing up.

src/Win32_Interop/Win32_FDAPI.cpp

@@ -820,10 +820,12 @@ int redis_isatty_impl(int fd) {
         int posixFD = RFDMap::getInstance().lookupPosixFD(fd);
         if( posixFD != -1) {
             return crt_isatty(posixFD);
-        } else {
-            errno = EBADF;
-            return 0;
-        }
+		} else if (fd >= 0 && fd <= 2) {
+			return crt_isatty(fd);
+		} else {
+			errno = EBADF;
+			return 0;
+		}
     } CATCH_AND_REPORT();
 
     errno = EBADF;