Subversion Repositories openrisc

// { dg-do run  }

// PRMS Id: 6000

// Bug: g++ gets confused trying to build up a reference to a cast.

class String {

protected:

  char *cp;

public:

  String(char *incp);

  String(const String &constStringRef);

  virtual void virtualFn1(void) const {;}

};

String::String(char *incp)

{

  cp = incp;

}

String::String(const String &constStringRef)

{

// Right here, do an 'info args', and look at the virtual function table

// pointer: typically junk! Calling the function through that table could

// do anything, since we're really leaping off into the void. This example

// goes down with 'SIGBUS', but I've seen 'SIGSEGV' too, and 'SIGILL' is

// possible.

  cp = constStringRef.cp;

  constStringRef.virtualFn1();

}

void foofun(String string)

{

  ;

}

class Class1 {

public:

  Class1(const String & constStringRef);

};

Class1 :: Class1 (const String & constStringRef)

{

// If instead of calling the function 'foofun()' here, we just assign

// 'constStringRef' to a local variable, then the vptr is typically == 0!

  foofun(String(constStringRef));

}

int main(void)

{

  Class1 *class1 = new Class1((char*) "Hi!");

}