Bug path

bv
‘bv’: events 1-4
17 while (l8 ())
^~
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(1) following ‘true’ branch...
18 {
19 *mf = 0;
~~~~~~~
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(2) ...to here
20 (*mf)[ny] = (int *) malloc (sizeof (int));
~~~~~~~~~~~~~~~~~~~~~
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(3) allocated here
21 th ((*mf)[ny]); /* { dg-warning "leak" } */
~~~~~
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(4) ‘<unknown>’ leaks here; was allocated at (3)