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comparison gcc/testsuite/g++.dg/cpp0x/overload-conv-4.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 // PR c++/90998 - ICE with copy elision in init by ctor and -Wconversion.
2 // { dg-do compile { target c++11 } }
3 // { dg-options "-Wconversion" }
4
5 struct B;
6
7 struct A {
8 operator B();
9 };
10
11 struct B {
12 B(A const &rs);
13 B(B const &rs);
14 };
15
16 B
17 f (A x)
18 {
19 // C++14: we call B::B(A const &)
20 // C++17: we call A::operator B()
21 return B(x); // { dg-warning "choosing .A::operator B\\(\\). over .B::B\\(const A&\\)" "" { target c++17 } }
22 // { dg-warning "for conversion from .A. to .B." "" { target c++17 } .-1 }
23 }