Enable cpp-from-CVS regression tests

Moving them to cbmc-cpp as they test VERIFICATION results, with few
exceptions that were safe to be placed in the cpp folder. Adding
`#include <cassert>` as needed.

Author: tautschnig

regression/cpp-from-CVS/Address_of_Method1/main.cpp renamed to regression/cbmc-cpp/Address_of_Method1/main.cpp

@@ -1,3 +1,4 @@
+#include <cassert>
 struct x
 {
   void f();

regression/cbmc-cpp/Address_of_Method1/test.desc

@@ -0,0 +1,8 @@
+KNOWNBUG winbug macos-assert-broken
+main.cpp
+
+^EXIT=0$
+^SIGNAL=0$
+^VERIFICATION SUCCESSFUL$
+--
+^warning: ignoring

regression/cpp-from-CVS/Anonymous_members1/main.cpp renamed to regression/cbmc-cpp/Anonymous_members1/main.cpp

@@ -1,3 +1,4 @@
+#include <cassert>
 typedef unsigned DWORD;
 typedef signed LONG;
 typedef long long LONGLONG;

regression/cbmc-cpp/Anonymous_members1/test.desc

@@ -0,0 +1,8 @@
+CORE winbug macos-assert-broken
+main.cpp
+
+^EXIT=0$
+^SIGNAL=0$
+^VERIFICATION SUCCESSFUL$
+--
+^warning: ignoring