Problems reported:

parser/error_recovery/issue_39230.crash:3:5: Expected a function body, but got '/'.
    /
    ^

parser/error_recovery/issue_39230.crash:3:5: Operator declarations must be preceded by the keyword 'operator'.
    /
    ^

parser/error_recovery/issue_39230.crash:3:5: A method declaration needs an explicit list of parameters.
    /
    ^

parser/error_recovery/issue_39230.crash:3:5: The name of a constructor must match the name of the enclosing class.
    /
    ^

beginCompilationUnit(class)
  beginMetadataStar(class)
  endMetadataStar(0)
  beginClassOrMixinOrNamedMixinApplicationPrelude(class)
    handleIdentifier(C, classOrMixinDeclaration)
    handleNoTypeVariables({)
    beginClassDeclaration(class, null, null, null, C)
      handleNoType(C)
      handleClassExtends(null, 1)
      handleClassNoWithClause()
      handleImplements(null, 0)
      handleClassHeader(class, class, null)
      beginClassOrMixinOrExtensionBody(DeclarationKind.Class, {)
        beginMetadataStar(C)
        endMetadataStar(0)
        beginMember()
          beginMethod(DeclarationKind.Class, null, null, null, null, null, null, C)
            handleNoType({)
            handleIdentifier(C, methodDeclaration)
            handleNoTypeVariables(()
            beginFormalParameters((, MemberKind.NonStaticMethod)
            endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
            handleNoInitializers()
            handleAsyncModifier(null, null)
            handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '/'., null, {lexeme: /}], /, /)
            handleInvalidFunctionBody({)
          endClassConstructor(null, C, (, null, })
        endMember()
        beginMetadataStar(/)
        endMetadataStar(0)
        beginMember()
          handleRecoverableError(MissingOperatorKeyword, /, /)
          beginMethod(DeclarationKind.Class, null, null, null, null, null, null, operator)
            handleNoType(})
            handleOperatorName(operator, /)
            handleNoTypeVariables(:)
            handleRecoverableError(MissingMethodParameters, /, /)
            beginFormalParameters((, MemberKind.NonStaticMethod)
            endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
            beginInitializers(:)
              beginInitializer(super)
                handleSuperExpression(super, expression)
                handleNoTypeArguments(()
                beginArguments(()
                endArguments(0, (, ))
                handleSend(super, ;)
              endInitializer(;)
            endInitializers(1, :, ;)
            handleAsyncModifier(null, null)
            handleEmptyFunctionBody(;)
            handleRecoverableError(ConstructorWithWrongName, /, /)
          endClassConstructor(null, operator, (, :, ;)
        endMember()
      endClassOrMixinOrExtensionBody(DeclarationKind.Class, 2, {, })
    endClassDeclaration(class, })
  endTopLevelDeclaration()
endCompilationUnit(1, )