https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63384
Andi Kleen <andi-gcc at firstfloor dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #33585|0 |1 is obsolete| | --- Comment #2 from Andi Kleen <andi-gcc at firstfloor dot org> --- Created attachment 33600 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33600&action=edit Reduced test case for long compile time Oddly the problem goes away when the variable allocation that is not used is commented out.