[Bug c++/119161] New: ICE for declaration with target_clones containing unknown version string

[Alfie.Richards at arm dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119161

            Bug ID: 119161
           Summary: ICE for declaration with target_clones containing
                    unknown version string
           Product: gcc
           Version: 14.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: Alfie.Richards at arm dot com
  Target Milestone: ---

In cases such as:

```C++
__attribute__((target_clones("default", "blah")))
int foo ();

int bar () { return foo(); }
```

Targeting Aarch64 Linux, an exception is emitted.

https://godbolt.org/z/737hazvvT