[Bug middle-end/63155] [6/7/8/9 Regression] memory hog

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63155

--- Comment #18 from Richard Biener <rguenth at gcc dot gnu.org> ---
-ftree-coalesce-vars is a workaround for some testcases (enabled by default
with optimization).