[Bug ld/20436] Testsuite ld-plugin/lto.exp fails

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=20436

H.J. Lu <hjl.tools at gmail dot com> changed:

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                 CC|                            |hjl.tools at gmail dot com

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Nick Clifton from comment #1)
> Hi H.J.
> 
>   Please could you look at this bug report:
> 
> https://sourceware.org/bugzilla/show_bug.cgi?id=20436
> 
>   It appears to be a direct consequence of your patch from 2016-04-21:
> 
>       * testsuite/lib/ld-lib.exp (check_lto_available): Return 1 on
>       Linux with GCC 4.9 or newer.

When there is a LTO bug in ld, check_lto_available will fail even if GCC
supports LTO.  We need to check if LTO is disabled.

>       (check_lto_fat_available): Likewise.
>       (check_lto_shared_available): Likewise.
> 
> Cheers
>   Nick
> 
> PS.  Incidentally, I could not find that entry in the ld/ChangeLog file.
>   Was it omitted ?

I missed it.

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