2 changed types:
  'class s0' changed:
    size changed from 64 to 96 bits
    1 member type change:
      'typedef s0::s0' changed:
        underlying type class s0 changed; details are being reported

    1 data member change:
     'char s0::m1' type changed:
       name changed from 'char' to 'unsigned int'
       size changed from 8 to 32 bits
       alignment changed from 8 to 32 bits

    1 data member insertion:
      'char s0::m2', at offset 64 (in bits)

  's0&' changed:
    referenced type 'class s0' changed, as reported earlier
1 changed declaration:
  'function int foo(s0&)' was changed to 'function int foo(s0&)':
    parameter 0 of type 's0&' changed:
      referenced type 'class s0' changed, as reported earlier