2010-11-09 Richard Guenther <rguenther@suse.de>
PR middle-end/46221
* varasm.c (compute_visible_aliases): New function.
(remove_unreachable_alias_pairs): Aliases make a target available
even though we reclaimed the cgraph node.
(finish_aliases_1): Likewise.
* Makefile.in (varasm.o): Add pointer-set.h dependency.
* gcc.target/i386/alias-1.c: New testcase.
From-SVN: r166479
