> Hi, > > PR 58389 is another case where the reference removal code, which is > now also called from the edge removal hook, ICEs when inlined edges > are not removed in topological order, which ins not the case when we > are removing unreachable nodes. > > I'd like to fix it by the patch below. When removing an edge which > has a reference descriptor pointing back to it, we set that pointer to > NULL and check for non-NULLness when we want to use it. Reference > descriptors die only when their allocation pool does so that pointer > is never stale. > > Bootstrapped and tested on x86_64-linux, OK for trunk? > > Thanks, > > Martin > > > 2013-09-11 Martin Jambor <mjam...@suse.cz> > > PR ipa/58389 > * ipa-prop.c (remove_described_reference): Give up if the edge in the > reference descriptor is NULL. > (ipa_edge_removal_hook): If owning a reference descriptor, set its > edge to NULL.
OK, thanks Honza