================ changes of 'libfoo.so'===============
  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 int f(S*)' at foo.c:10:1 has some indirect sub-type changes:
      parameter 1 of type 'S*' has sub-type changes:
        in pointed to type 'struct S' at foo.c:3:1:
          type size changed from 32 to 64 (in bits)
          1 data member insertion:
            'char S::m1', at offset 32 (in bits) at foo.c:6:1

================ end of changes of 'libfoo.so'===============

