-`A13-2-2` -`BinaryOperatorAndBitwiseOperatorReturnAPrvalue.ql`:

- Remove findings related to stream operators.

| test.cpp:16:9:16:17 | operator- | User-defined bitwise or arithmetic operator operator-(const A &, int) -> const A does not return a prvalue. |

| test.cpp:20:4:20:12 | operator\| | User-defined bitwise or arithmetic operator operator\|(const A &, const A &) -> A * does not return a prvalue. |

| test.cpp:29:6:29:14 | operator+ | User-defined bitwise or arithmetic operator NS_C::operator+(const C &, const C &) -> int & does not return a prvalue. |

| test.cpp:24:9:24:18 | operator<< | User-defined bitwise or arithmetic operator operator<<(const A &, const A &) -> const A does not return a prvalue. |

| test.cpp:34:6:34:14 | operator+ | User-defined bitwise or arithmetic operator NS_C::operator+(const C &, const C &) -> int & does not return a prvalue. |

returnnewA();

}

const Aoperator<<(Aconst &, Aconst &)noexcept// NON_COMPLIANT

{

return A{};

}

classC {

C &operator=(const C &rhs);

};

return slocal;

}

}// namespace NS_C

#include<iostream>

structTest {};

std::ostream &operator<<(std::ostream &os,const Test &) {// COMPLIANT

os <<"test";

return os;

}

notthis.isCompilerGenerated()and

notthis.getType().hasName("ostream")and

notthis.getType().hasName("istream")

notthis.getType().(ReferenceType).getBaseType().hasName("ostream")and

notthis.getType().(ReferenceType).getBaseType().hasName("istream")

#ifndef _GHLIBCPP_OSTREAM

#define_GHLIBCPP_OSTREAM

#include"string.h"

#include<ios>

namespacestd {

template<classcharT,classtraits>