https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87432
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |lto Status|UNCONFIRMED |NEW Last reconfirmed| |2018-09-25 CC| |vries at gcc dot gnu.org Version|8.2.1 |9.0 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87362#c6 for some profiling of gdb - the time is spent building its symbol table and the memory is likely used because it pulls in all (too many) DIEs.