try importC on macOS, get this error

[d007]

On Thursday, 16 March 2023 at 06:05:53 UTC, Richard (Rikki) 
Andrew Cattermole wrote:
> A few potential bug reports:
>
> https://issues.dlang.org/show_bug.cgi?id=22161
> https://issues.dlang.org/show_bug.cgi?id=23725
> https://issues.dlang.org/show_bug.cgi?id=22722
>
> It may also be required if we want out of the box support on 
> Windows, as the mingw headers also use inline assembly (which 
> errors out).

this seems like silly bug. (after clang -E)

```sh
/src/pcache.h(25): Error: struct `test.PgHdr` conflicts with 
alias `test.PgHdr` at /pcache.h(18)
```

```c
typedef struct PgHdr PgHdr;
struct PgHdr {
    // body
}
```