hanchenye-llvm-project/llvm/test/Regression/CFrontend/2003-08-30-AggregateInitializer.c

struct istruct {
  unsigned char C;
};

struct foo {
  unsigned int I:1;
  struct istruct J;
  unsigned char L[1];
  unsigned int K:1;
};

struct foo F = { 1, { 7 }, { 123 } , 1 };