// Build don't link: // Special g++ Options: -pedantic-errors // GROUPS passed constructors // ctors file // Message-Id: <9301132030.AA05210@cs.rice.edu> // From: dougm@cs.rice.edu (Doug Moore) // Subject: 2.3.3: accepts ctor-less derived class of ctor-ful base class // Date: Wed, 13 Jan 93 14:30:21 CST // Note: It gives an error now. But not a very good one. struct Foo { Foo(int aa); int a; const Foo* operator-> () const {return this;} }; Foo::Foo(int aa) :a(aa) { } struct var_Foo: public Foo { // ERROR - base.*// ERROR - in class.* var_Foo* operator-> () {return this;} }; int blort(Foo& f) { return f->a; }; int main() { var_Foo b(2);// ERROR - b->a = 0; int x = blort(b); return x; }