compiler: Evaluate array range expression once before iteration.

Fixes issue 34.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219045 138bc75d-0d04-0410-961f-82ee72b054a4
        * ira-build.c (ira_flattening): Add the current
        object to OBJECTS_LIVE after traversing OBJECTS_LIVE.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219046 138bc75d-0d04-0410-961f-82ee72b054a4