https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114395
Bug ID: 114395
Summary: std::is_constructible_v result of const reference
incorrect
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: yronglin777 at gmail dot com
Target Milestone: ---
https://godbolt.org/z/h5af6f5x9
```
#include <type_traits>
struct A {
int a;
};
struct B : public A {};
static_assert(!std::is_constructible_v<const B &, const A &>);
static_assert(!std::is_constructible_v<const B *, const A *>);
```
Clang and MSVC accepted this code, but gcc rejected.
```
<source>:8:15: error: static assertion failed
8 | static_assert(!std::is_constructible_v<const B &, const A &>);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Compiler returned: 1
```