> 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 Is it intended to keep the comdat group alive even when the function is not used by the current translation unit?
Honza > jeff >
