[Bug tree-optimization/78886] [5/6/7 Regression] Segmentation fault malloc and volatile

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78886

--- Comment #4 from Marc Glisse <glisse at gcc dot gnu.org> ---
The return value of malloc is ignored? Your patch looks ok to me, thanks. If it
is convenient, you might want to remove the statement, otherwise I expect
another pass will handle it later.