Bug path

recvauth_common
‘recvauth_common’: events 1-2
15 free(common.data);
^~~~~~~~~~~~~~~~~
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(1) first ‘free’ here
16 free(common.data); /* { dg-warning "double-'free' of 'common.data'" "inner warning" } */
~~~~~~~~~~~~~~~~~
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(2) second ‘free’ here; first ‘free’ was at (1)