Bug path

test_11
‘test_11’: events 1-3
113 void *ptr = malloc (1024);
^~~~~~~~~~~~~
|
(1) allocated here
[...]
118 free (ptr);
~~~~~~~~~~
|
(2) first ‘free’ here
119 free (ptr); /* { dg-warning "double-'free' of 'ptr'" } */
~~~~~~~~~~
|
(3) second ‘free’ here; first ‘free’ was at (2)