[Bug bootstrap/53963] [4.8 Regression] LTO bootstrap failed with bootstrap-profiled

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53963

--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2012-07-14 16:46:56 UTC ---
(In reply to comment #0)
> On Linux/x86-64, revision 189467 failed to profiledbootstrap:
> 
> checking for suffix of object files... configure: error: in
> `/export/gnu/import/git/gcc-test-profile/bld/x86_64-unknown-linux-gnu/libgcc':
> configure: error: cannot compute suffix of object files: cannot compile
> See `config.log' for more details.
> make[5]: *** [configure-stagefeedback-target-libgcc] Error 1
> 
> when configured with
> 
> --prefix=/usr/local --enable-clocale=gnu --with-system-zlib --enable-sh
> ared --with-demangler-in-ld --with-build-config=bootstrap-lto --with-fpmath=sse 
> 
> "--prefix=/usr/local" is the key to trigger this regression.
> The stage 3 compiler is miscompiled.  Revision 189349 is OK.

I don' think so. I have configured as

../gcc-svn/trunk/configure --with-build-config=bootstrap-lto
--enable-languages=c

and fails as well. Backing out r189453 works OK.