[Bug c/84607] [6/7 Regression] Side effects discarded in address computation inside 'if'

[stephen.dolan at cl dot cam.ac.uk]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84607

--- Comment #4 from Stephen Dolan <stephen.dolan at cl dot cam.ac.uk> ---
Thanks for the quick fix!