After merging jdk-26+6 (probably JDK-8359493), fails with:

test: testValueClassesProcessor
[STDOUT]:
visiting <init>
visiting <init>
visiting <init>
visiting toString
visiting hashCode
visiting equals
[DIRECT]:
- compiler.note.proc.messager: visiting: Interface Modifiers: [abstract]
- compiler.note.proc.messager: visiting: ValueClass Modifiers: [value, final]
- compiler.note.proc.messager: constructor modifiers: []
- compiler.note.proc.messager: visiting: IdentityClass Modifiers: []
- compiler.note.proc.messager: constructor modifiers: []
- compiler.note.proc.messager: visiting: ValueRecord Modifiers: [value, final]
- compiler.note.proc.messager: constructor modifiers: []
- compiler.note.preview.filename: DEFAULT
- compiler.note.preview.recompile
failing at line 8
    expecting - compiler.note.preview.filename: Interface.java, DEFAULT
    found - compiler.note.preview.filename: DEFAULT
Exception running test testValueClassesProcessor: java.lang.AssertionError: Unexpected output: [- compiler.note.proc.messager: visiting: Interface Modifiers: [abstract], - compiler.note.proc.messager: visiting: ValueClass Modifiers: [value, final], - compiler.note.proc.messager: constructor modifiers: [], - compiler.note.proc.messager: visiting: IdentityClass Modifiers: [], - compiler.note.proc.messager: constructor modifiers: [], - compiler.note.proc.messager: visiting: ValueRecord Modifiers: [value, final], - compiler.note.proc.messager: constructor modifiers: [], - compiler.note.preview.filename: DEFAULT, - compiler.note.preview.recompile]
java.lang.AssertionError: Unexpected output: [- compiler.note.proc.messager: visiting: Interface Modifiers: [abstract], - compiler.note.proc.messager: visiting: ValueClass Modifiers: [value, final], - compiler.note.proc.messager: constructor modifiers: [], - compiler.note.proc.messager: visiting: IdentityClass Modifiers: [], - compiler.note.proc.messager: constructor modifiers: [], - compiler.note.proc.messager: visiting: ValueRecord Modifiers: [value, final], - compiler.note.proc.messager: constructor modifiers: [], - compiler.note.preview.filename: DEFAULT, - compiler.note.preview.recompile]
at TestValueClasses.testValueClassesProcessor(TestValueClasses.java:148)