On Thu, Aug 11, 2011 at 8:31 AM, Richard Guenther <rguent...@suse.de> wrote: > > When adjusting the C++ FE code generation for base type copies > I noticed the XFAILs on g++.dg/tree-ssa/pr41186.C and investigated > things a bit. We can fix the testcase easily iff the frontend > emits the MEM_REF variants, thus the following patch. > > Bootstrapped and tested on x86_64-unknown-linux-gnu, applied to trunk. > > Richard. > > 2011-08-11 Richard Guenther <rguent...@suse.de> > > * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid redundant > lookups, make looking through aggregate copies stronger. >
This caused: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54498 -- H.J.
