bug#24246: 25.0.95; (c++-mode) custom/extra types not getting highlighted (as a type) after a wrapper::type argument.

[Arash]

$ emacs -Q ab.cc

typedef int int32;

namespace wrapper {
    enum type { a, b, c };
}

// int32 doesn't get highlighted as a type.
void test(wrapper::type A, int32 B);


typedef wrapper::type wtype;

// here it works, so double colon is the problem?
void test(wtype A, int32 B);