------- Comment #4 from pinskia at gmail dot com 2008-11-30 19:29 ------- Subject: Re: Missing CSE/PRE for memory operations involved in virtual call.
I think this bug is invalid since the type can change via a placement new which will change the vtable. Sent from my iPhone On Nov 30, 2008, at 4:09 AM, "rguenth at gcc dot gnu dot org" <[EMAIL PROTECTED] > wrote: > > > ------- Comment #3 from rguenth at gcc dot gnu dot org 2008-11-30 > 12:09 ------- > Note that we also do not CSE OBJ_TYPE_REF trees which seem to be > valid gimple > in place of the call in GIMPLE_CALLs so they do not get a separate > value-number. > (not that we would do anything useful with them if they were > standalone, > testcase for that welcome) > > > -- > > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35560 > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35560
