Move the warnings for extra semi-colons under -Wextra-semi.  Also, added
a warning for an extra semi-colon after function definitions.  Added logic
so that a block of semi-colons on a line will only get one warning instead
of a warning for each semi-colon.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156934 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed