Ensure that we actually visit function parameter declarations with
RecursiveASTVisitor.

This deficiency was discovered while working with the AST matcher
framework and likely impacts other users of RecursiveASTMatcher who
previously weren't seeing these Decls in their visitation.

Patch reviewed by Chandler Carruth.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134562 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed