https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124991
Bug ID: 124991
Summary: Internal compiler error on typeid of pointer to member
to anonymous union
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: pdimov at gmail dot com
Target Milestone: ---
```
#include <meta>
#include <typeinfo>
struct X
{
union
{
char b;
float c;
};
};
template<std::meta::info J> constexpr auto pointer_of()
{
return &[: J :];
};
int main()
{
typeid( pointer_of< members_of( ^^X, std::meta::access_context::unchecked()
)[ 1 ] >() );
}
```
gives
```
<source>:21:1: internal compiler error: unexpected expression 'X::<anonymous>'
of kind field_decl
21 | }
| ^
```
(https://godbolt.org/z/4Pe8PPcar)
