[Bug lto/48538] GCC build fails with -flto in BOOT_CFLAGS

[jafb at tinet dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48538

--- Comment #2 from jafb at tinet dot org 2011-04-10 11:45:55 UTC ---
Ok. In the documentation it said that was equivalent to -flto in BOOT_CFLAGS,
that's why I used it.
Now I've checked bootstrap-lto.mk and looks like it disables lto when doing a
profiled bootstrap. Is it right? I wonder what gives better performance: lto or
profiled-driven optimizations...