https://bugs.llvm.org/show_bug.cgi?id=36226
Bug ID: 36226
Summary: Inheriting operator() from multiple classes doesn't
cause ambiguity on overload resolution
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: ix...@yandex.ru
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
The following code snippet (to my knowledge) should be rejected because the
overload resolution can't cope with the ambiguity of which operator() to call.
This ambiguity is described in [class.member.lookup] section of the C++
standard.
#include <iostream>
using namespace std;
struct IntPrinter
{
void operator()(int i)
{
}
};
class FloatPrinter
{
public:
void operator()(float f)
{
}
};
struct Printer: IntPrinter, FloatPrinter
{
};
int main()
{
Printer printer;
printer(55);
printer(55.1f);
};
The code compiles fine but should fail to compile. It doesn't compile on gcc.
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