http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45954
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|--with-build-config=bootstr |LTO isn't enabled in stage1 |ap-lto doesn't work |cc1 with | |--with-build-config=bootstr | |ap-lto --- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-10 11:10:13 UTC --- LTO isn't enabled in stage1 cc1. When --with-build-config=bootstrap-lto is used, LTO has to be enabled by hand with --enable-stage1-languages=c,lto.