Documentation parsing: in HeaderDoc, \abstract is equivalent to \brief


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195145 91177308-0d34-0410-b5e6-96231b3b80d8
ObjectiveC ARC. Removes a bogus warning when a weak 
property is redeclared as 'weak' in class extension.
// rdar://15465916


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195146 91177308-0d34-0410-b5e6-96231b3b80d8
Remove full path from CHECK line


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195147 91177308-0d34-0410-b5e6-96231b3b80d8