------- Comment #5 from pinskia at gcc dot gnu dot org 2008-01-24 18:39 ------- This still needs communication from the front-end to the middle-end. The middle-end part should be a rather easy extension to both the RTL and tree level DSEs really.
The way I see fixing it is adding a statement which marks *this dead at some point. This might be used for fixing PR 19831 also. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34949
