[Bug lto/47641] gcc.dg/lto/20101009-1 c_lto_20101009-1_0.o-c_lto_20101009-1_0.o link ICE

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47641

--- Comment #1 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-02-08 04:42:18 UTC ---
Caused by...

r169881 | rguenth | 2011-02-07 07:09:31 -0500 (Mon, 07 Feb 2011) | 10 lines

2011-02-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47621
        * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
        two duplicates ...
        (execute_update_addresses_taken): ... here.  Make it more
        conservative in what we accept.

        * gcc.dg/torture/pr47621.c: New testcase.

as reverting this change in current gcc trunk eliminates the failures.