Functions changes summary: 0 Removed, 1 Changed, 0 Added function
Variables changes summary: 0 Removed, 0 Changed, 0 Added variable

1 function with some indirect sub-type change:

  [C] 'function void foo(S*)' at test-PR25661-2-v1.c:20:1 has some indirect sub-type changes:
    parameter 1 of type 'S*' has sub-type changes:
      in pointed to type 'struct S' at test-PR25661-2-v1.c:1:1:
        type size hasn't changed
        data members 'S::b', 'S::c' were replaced by anonymous data member:
          'struct {int b; struct {union {char added_char; int c;};};}'

