[Bug ld/20321] Segmentation fault with plugin

[wdijkstr at arm dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=20321

--- Comment #6 from Wilco <wdijkstr at arm dot com> ---
(In reply to H.J. Lu from comment #5)
> (In reply to Wilco from comment #4)
> 
> > This new test fails on AArch64 with an assertion:
> > 
> > collect2: error: ld terminated with signal 6 [Aborted]
> > collect-ld: ../../src/lto-plugin/lto-plugin.c:621: all_symbols_read_handler:
> > Assertion `lto_wrapper_argv' failed.
> > collect2: error: ld terminated with signal 6 [Aborted]
> > collect-ld: ../../src/lto-plugin/lto-plugin.c:621: all_symbols_read_handler:
> > Assertion `lto_wrapper_argv' failed.
> > returned with: <collect2: error: ld terminated with signal 6 [Aborted]
> > collect-ld: ../../src/lto-plugin/lto-plugin.c:621: all_symbols_read_handler:
> > Assertion `lto_wrapper_argv' failed.>, expected: <.*: duplicated plugin>
> 
> Can you reproduce it on x86-64? If yes, how? If not, why does it only fail
> on AArch64?

I haven't tried x86-64 but it fails on ARM as well so it appears generic. It
reproduces with older GCC versions, eg. 4.8.2, while it passes with trunk GCC.

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