modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/struct-non-lval-2.c (about)

     1  /* Bug c/17855, using conditional expression for non-lvalue.  */
     2  struct foo {char x, y, z[2];};
     3  struct foo p, q; int r;
     4  void bar(int baz)
     5  {
     6    (r ? p : q).z[baz] = 1;
     7  }