[Bug lto/90889] snapshot 20190614 fails to build Ada with LTO

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90889

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-06-16
     Ever confirmed|0                           |1

--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> BTW are all those type mismatch waning actually correct? I was looking into
> the Ada manual for C compatibility and i think we implement it correctly, so
> there should be no mismatches if language standard is followed. It is easily
> possible that I missed something important.

Most warnings are in units implementing the low-level support of the language,
in particular exceptions, so this is not pure Ada.  A few others could be
fixed.

> BTW -fchecking=0 lets me to finish the build, but later I get wrong -fPIC
> for ada runtime, which also seem new.

You probably need to restart the build of the runtime after removing the
various timestamps in $(builddir)/gcc and $(builddir)/$(target)/libada.