I found that if I invoke phpunit with `XDEBUG_MODE=coverage` there is no failure.
- Bug#1099672: php8.4: test are crashing with `zend_mm_heap co... Fab Stz
- Bug#1099672: (no subject) Fab Stz
- Bug#1099672: (no subject) Fab Stz
- Bug#1099672: (no subject) Ondřej Surý
- Bug#1099672: php8.4: test are crashing with `zend_mm_he... Fab Stz
- Bug#1099672: php8.4: test are crashing with `zend_mm_he... Fab Stz
- Bug#1099672: php8.4: test are crashing with `zend_mm_he... Ondřej Surý
- Bug#1099672: php8.4: test are crashing with `zend_mm_he... Fab Stz
