[Bug lto/65536] LTO line number information garbled

[manu at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65536

--- Comment #38 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #27)
> I simply use --save-temps --verbose and use lto1 invocation from there. It
> is easy ;)

When I add those two options to an invokation of xg++, I get back the call to
collect2 but no call to lto1, although I can see that lto1 is running.