Bug path

test_2
‘test_2’: events 1-7
34 void *ptr = malloc (1024);
^~~~~~~~~~~~~
|
(1) allocated here
35 if (x)
~
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(2) following ‘true’ branch (when ‘x != 0’)...
36 free (ptr);
~~~~~~~~~~
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(3) ...to here
(4) first ‘free’ here
37 if (y)
~
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(5) following ‘true’ branch (when ‘y != 0’)...
38 free (ptr); /* { dg-warning "double-'free' of 'ptr'" } */
~~~~~~~~~~
|
(6) ...to here
(7) second ‘free’ here; first ‘free’ was at (4)