[Bug c/128504] New: internal compiler error: unspellable token PRAGMA

[0599jiangyc at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128504

            Bug ID: 128504
           Summary: internal compiler error: unspellable token PRAGMA
           Product: gcc
           Version: 17.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: 0599jiangyc at gmail dot com
  Target Milestone: ---

The following code:
```c
int i = __has_include(<x)
#pragma pack(1)
```

Resulted in this output:
```
<source>:1:9: error: '__has_include' used outside of preprocessing directive
<source>:2:9: internal compiler error: unspellable token PRAGMA
```

Trunk reproducer: https://godbolt.org/z/YhWx6xjPn