"Variable length array in structure won't be supported" build failure(s) — clang 3.4.2

The following code is not (and won't) supported by clang.
int returnAnInt(void) {
  return 42;
}

int main() {
  struct {
     char buf[returnAnIt()];
  } r;
}
PackageVersionSupposed error messageFull log Bug report
bird 1.4.3-2netlink.c:632:10: error: fields must have a constant size: 'variable length array in structure' extension will never be supported Log
cuba 3.0+20111124-2./src/vegas/Integrate.c:17:15: error: fields must have a constant size: 'variable length array in structure' extension will never be supported Log
libdc1394-22 2.2.2-1control.c:286:19: error: fields must have a constant size: 'variable length array in structure' extension will never be supported Log
libnetfilter-conntrack 1.0.4-1api.c:959:8: error: fields must have a constant size: 'variable length array in structure' extension will never be supported Log
libqb 0.17.0-2check_ipc.c:185:9: error: fields must have a constant size: 'variable length array in structure' extension will never be supported Log
ndisc6 1.0.1-1trace-tcp.c:58:11: error: fields must have a constant size: 'variable length array in structure' extension will never be supported Log
picolisp 3.1.6.1-1main.c:711:34: error: fields must have a constant size: 'variable length array in structure' extension will never be supported Log
rng-tools 2-unofficial-mt.14-1rngd_linux.c:191:17: error: fields must have a constant size: 'variable length array in structure' extension will never be supported Log
seccure 0.4-0.1seccure.c:689:12: error: fields must have a constant size: 'variable length array in structure' extension will never be supported Log
unscd 0.51-1nscd.c:2441:9: error: fields must have a constant size: 'variable length array in structure' extension will never be supported Log

10 errors