Taack opened a new issue, #16051:
URL: https://github.com/apache/grails-core/issues/16051
### Expected Behavior
The app should launch without exception, join table should be created
### Actual Behaviour
Join tables are not created. The domain class:
```groovy
package tc
import grails.compiler.GrailsCompileStatic
import groovy.transform.CompileStatic
@CompileStatic
enum SomeEnum {
FOR_SURE, MAYBE, MAYBE_NOT, DONT_KNOW
}
@GrailsCompileStatic
class SomeDomain {
Set<SomeEnum> someResponses
static constraints = {
}
static hasMany = [
someResponses: SomeEnum
]
}
```
### Steps To Reproduce
1. bootRun the following test-case
[tc-enum-set.tar.gz](https://github.com/user-attachments/files/30368407/tc-enum-set.tar.gz)
### Environment Information
```bash
❯ uname -a
Linux cachyos-auo-portable 7.1.4-1-cachyos #1 SMP PREEMPT_DYNAMIC Sat, 18
Jul 2026 22:23:17 +0000 x86_64 GNU/Linux
~
❯ java -fullversion
openjdk full version "26.0.1"
```
### Example Application
_No response_
### Version
8.0.0-M4
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