On Mon, 12 Jan 2015, Martin Liška wrote: > Hello. > > Following patch is fix for PR ipa/64550 which can bootstrap on > x86_64-linux-pc. > Explanation for the patch is described here: [1]. > > I hope this is correct fix for such cases?
Ah, using TREE_THIS_VOLATILE on the result of ao_ref_base is wrong - you need to use r1.volatile_p != r2.volatile_p. That's actually equivalent to what your patch does, thus that is ok. Thanks, Richard. > Thanks, > Martin > > [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64550 > -- Richard Biener <rguent...@suse.de> SUSE LINUX GmbH, GF: Felix Imendoerffer, Jane Smithard, Jennifer Guild, Dilip Upmanyu, Graham Norton HRB 21284 (AG Nuernberg)