https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81869
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to H.J. Lu from comment #2) > On 64-bit hosts, I got > > (gdb) p cfun->cfg->x_last_basic_block > $1 = 432 > (gdb) call debug_tree (cfun->decl) Please ignore this. I didn't use --enable-checking=yes,rtl on 64-bit hosts.