http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50817
Bug #: 50817
Summary: G++ emits errors containing lowered vtable references
Classification: Unclassified
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: enhancement
Priority: P3
Component: c++
AssignedTo: [email protected]
ReportedBy: [email protected]
struct a {
virtual int bar();
};
struct foo : public virtual a {
};
void test(foo *P) {
return P->bar() + *P;
}
g++ revision 180166:
void test(foo*)
vtable.cc:9:22: error: no match for ‘operator+’ in ‘(((a*)P) +
((sizetype)(*(long int*)(P->foo::<anonymous>.a::_vptr.a +
0xffffffffffffffffffffffffffffffe0u))))->a::bar() + * P’
vtable.cc:9:22: error: return-statement with a value, in function returning
'void' [-fpermissive]
clang:
t.cc:9:18: error: invalid operands to binary expression ('int' and 'foo')
return P->bar() + *P;
~~~~~~~~ ^ ~~
