Bug path

‘test_27’: events 1-2
303 struct coord *p = (struct coord *) malloc (sizeof (struct coord)); /* { dg-message "this call could return NULL" } */
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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(1) this call could return NULL
304 p->x = 0.f; /* { dg-warning "dereference of possibly-NULL 'p'" } */
~~~~~~~~~~
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(2) ‘p’ could be NULL: unchecked value from (1)