On Mon, 2020-04-20 at 11:34 +0200, Martin Liška wrote:
> Hi.
>
> The patch prevents a ifunc alias from removal in remove unreachable nodes.
> Note that ifunc alias lives in a COMDAT section and so that
> cgraph_node::can_remove_if_no_direct_calls_and_refs_p returned true for it.
>
> Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
> I was unable to create a lto test-case where a linked binary could be
> scanned for assembly.
>
> Ready to be installed?
> Thanks,
> Martin
>
> gcc/ChangeLog:
>
> 2020-04-20 Martin Liska <mli...@suse.cz>
>
> PR lto/94659
> * cgraph.h (cgraph_node::can_remove_if_no_direct_calls_and_refs_p):
> Do not remove ifunc_resolvers in remove unreachable nodes in LTO.
OK
jeff
