Bug path

test_43
‘test_43’: event 1
540 global_link.m_ptr = malloc (sizeof (struct link)); /* { dg-message "allocated here" } */
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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(1) allocated here
‘test_43’: event 2
541 global_link.m_ptr = NULL; /* { dg-warning "leak of 'global_link.m_ptr'" } */
^
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(2) ‘global_link.m_ptr’ leaks here; was allocated at (1)