Bug path

‘a5’: events 1-2
16void a5 (void)
^~
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(1) entry to ‘a5’
[...]
19 hv (&qb);
~~~~~~~~
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(2) calling ‘hv’ from ‘a5’
‘hv’: events 3-7
7void *hv (struct foo **tm)
^~
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(3) entry to ‘hv’
8{
9 void *p = __builtin_malloc (4);
~~~~~~~~~~~~~~~~~~~~
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(4) allocated here
10 *tm = p;
11 if (!p)
~
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(5) assuming ‘qb’ is non-NULL
(6) following ‘false’ branch (when ‘p’ is non-NULL)...
12 abort ();
13 return p;
~
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(7) ...to here
‘a5’: events 8-9
19 hv (&qb);
^~~~~~~~
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(8) returning to ‘a5’ from ‘hv’
20} /* { dg-warning "leak of 'qb'" } */
~
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(9) ‘qb’ leaks here; was allocated at (4)