[libclang] Move the bulk of clang_getOverriddenCursors into
a cxcursor::getOverriddenCursors C++ function, because SmallVectors
are groovier that malloc'ing buffers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141276 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed