https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82000
--- Comment #3 from Marc Glisse <glisse at gcc dot gnu.org> --- (In reply to Louis Dionne from comment #2) > > Downloading the one from godbolt, we simplify it to: [...] > > I have no idea what this is and how you feed that to GCC, but I'm curious. That's what -fdump-tree-optimized shows (end of high-level optimizations). You don't feed it to gcc (it is missing all information about internal_buffer for instance), although with -fgimple there are variants that gcc could read.