lto-18 test

[H.J. Lu]

On Tue, Sep 8, 2020 at 8:08 PM Alan Modra via Binutils
<binutils@sourceware.org> wrote:
>
> Demonstrates a reason to use IR symbols when deciding an --as-needed
> library should be loaded.
>
>         * testsuite/ld-plugin/lto-18a.c,
>         * testsuite/ld-plugin/lto-18b.c,
>         * testsuite/ld-plugin/lto-18c.c,
>         * testsuite/ld-plugin/lto-18d.c,
>         * testsuite/ld-plugin/lto-18.out: New test.
>         * testsuite/ld-plugin/lto.exp: Run it.
>

This exposed an --as-needed bug:

https://sourceware.org/bugzilla/show_bug.cgi?id=26590

which has nothing to do with LTO.

-- 
H.J.