compiler: Permit "for range x" clauses.

Fixes Issue 8370.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216051 138bc75d-0d04-0410-961f-82ee72b054a4
Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216054 138bc75d-0d04-0410-961f-82ee72b054a4