2 changed types:
  'class s0' changed:
    type size changed from 64 to 96 (in bits)
    1 data member insertion:
      'char m2', at offset 64 (in bits)
    1 data member change:
      type of 'char m1' changed:
        type name changed from 'char' to 'unsigned int'
        type size changed from 8 to 32 (in bits)
        type alignment changed from 8 to 32
  '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 1 of type 's0&' has sub-type changes:
      referenced type 'class s0' changed, as reported earlier