variable symbol 'struct Foo var' changed
  type 'struct Foo' changed
    byte size changed from 16 to 32
    member changed from 'struct { int x; } anon_class' to 'struct { long x; } anon_class'
      type changed from 'struct { int x; }' to 'struct { long x; }'
        byte size changed from 4 to 8
        member changed from 'int x' to 'long x'
          type changed from 'int' to 'long'
    member changed from 'struct { int x; } anon_struct' to 'struct { long x; } anon_struct'
      offset changed from 32 to 64
      type changed from 'struct { int x; }' to 'struct { long x; }'
        byte size changed from 4 to 8
        member changed from 'int x' to 'long x'
          type changed from 'int' to 'long'
    member changed from 'union { int x; } anon_union' to 'union { long x; } anon_union'
      offset changed from 64 to 128
      type changed from 'union { int x; }' to 'union { long x; }'
        byte size changed from 4 to 8
        member changed from 'int x' to 'long x'
          type changed from 'int' to 'long'
    member changed from 'enum { X = 1, } anon_enum' to 'enum { X = 2, } anon_enum'
      offset changed from 96 to 192
      type changed from 'enum { X = 1, }' to 'enum { X = 2, }'
        enumerator 'X' value changed from 1 to 2

exit code 4