PATCH: PR ld/14272: Mark the plugin symbol undefined

Alan Modra amodra@gmail.com
Fri Feb 6 01:52:00 GMT 2015


On Thu, Feb 05, 2015 at 05:06:38PM -0800, H.J. Lu wrote:
> On Thu, Feb 5, 2015 at 4:59 PM, Alan Modra <amodra@gmail.com> wrote:
> > On Wed, Feb 04, 2015 at 04:36:16AM -0800, H.J. Lu wrote:
> >> On Wed, Feb 4, 2015 at 3:08 AM, Alan Modra <amodra@gmail.com> wrote:
> >> > On Tue, Feb 03, 2015 at 09:06:47AM -0800, H.J. Lu wrote:
> >> >>       PR ld/12365
> >> >>       * ld-plugin/pr12365a.c: New file.
> >> >>       * ld-plugin/pr12365b.c: Likewise.
> >> >>       * ld-plugin/pr12365c.c: Likewise.
> >> >
> >> > The testcase fails when using gcc-5.  Also, gcc-5 objects don't seem
> >> > exercise your _bfd_elf_fix_symbol_flags code.  I presume you need an
> >> > older version of gcc, with lto bugs, to need those hacks.  Is that
> >> > true?  Can you write a testcase that does exercise your
> >> > _bfd_elf_fix_symbol_flags code?
> >>
> >> The -flto-partition default was changed.  I checked in this patch
> >> to pass -flto-partition=none to the PR ld/12365 test.
> >
> > The test fails when using gcc-4.7.2 on powerpc64-linux.  Please fix it.
> 
> Does it fail with gcc 4.8?  What is the error message?

No error message.  The link succeeds.  Similarly with gcc-4.9 and
gcc-5 on powerpc64-linux.  Did you try your testcase on any
architecture besides x64_64 and x86?

-- 
Alan Modra
Australia Development Lab, IBM



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