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// { 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!");
}
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