Variable length array in structure won't be supported - Rebuild of the Debian archive with clang

"Variable length array in structure won't be supported" build failure(s) — clang 11.0.0

int returnAnInt(void) {
  return 42;
}

int main() {
  struct {
     char buf[returnAnIt()];
  } r;
}

Package	Version	Supposed error message	Full log
ipmctl	02.00.00.3825+ds-1	lnx_adapter_passthrough.c:192:5: fatal error: fields must have a constant size: 'variable length array in structure' extension will never be supported	Log
libdc1394	2.2.6-3	(./camera_8h.texcontrol.c:286:19: error: fields must have a constant size: 'variable length array in structure' extension will never be supported	Log
looking-glass	0+b1-5	rsa.c:105:13: fatal error: fields must have a constant size: 'variable length array in structure' extension will never be supported	Log
rng-tools-debian	2.1	rngd_linux.c:189:17: error: fields must have a constant size: 'variable length array in structure' extension will never be supported	Log
rng-tools5	5-4	rngd_linux.c:126:17: error: fields must have a constant size: 'variable length array in structure' extension will never be supported	Log
unicap	0.9.12+repack20150328.0.git2c600ae-3	dcam_juju_capture.c:286:12: error: fields must have a constant size: 'variable length array in structure' extension will never be supported	Log
unscd	0.53-1	nscd.c:2448:9: error: fields must have a constant size: 'variable length array in structure' extension will never be supported	Log
xine-lib-1.2	1.2.10-4	../../include/xine/xineutils.h:211:63: error: fields must have a constant size: 'variable length array in structure' extension will never be supported	Log

8 errors