Fix bug(s) that cause variable reuse in function calls to fail.
Add additional test cases.
Fixes #8326.

git-svn-id: http://svn.boost.org/svn/boost/trunk@83619 b8fc166d-592f-0410-95f2-cb63ce0dd405
Remove duplicate entry.

git-svn-id: http://svn.boost.org/svn/boost/trunk@83620 b8fc166d-592f-0410-95f2-cb63ce0dd405