function Test-EnumValidation {
    param(
        [ValidateSet([Microsoft.PowerShell.ExecutionPolicy]::Unrestricted, [Microsoft.PowerShell.ExecutionPolicy]::Undefined)]
        [Microsoft.PowerShell.ExecutionPolicy]$Works,

        [ValidateRange([Microsoft.PowerShell.ExecutionPolicy]::Unrestricted, [Microsoft.PowerShell.ExecutionPolicy]::Undefined)]
        [Microsoft.PowerShell.ExecutionPolicy]$Fails
    )
}


$m = New-Object System.Management.Automation.CommandMetaData (Get-Command Test-EnumValidation)
$s = [System.Management.Automation.ProxyCommand]::Create($m)

$function:proxy = [scriptblock]::Create($s)

# fails with .ctor exception
proxy

# if we check the generated function, we see that `ValidateRange` got unquoted strings as arguments in the proxycommand
$s

...
param(
    [ValidateSet('Unrestricted','Undefined')]
    [Microsoft.PowerShell.ExecutionPolicy]
    ${Works},

    [ValidateRange(Unrestricted,Undefined)]
    [Microsoft.PowerShell.ExecutionPolicy]
    ${Fails})
....

Exception             :
    Type        : System.Management.Automation.MethodException
    ErrorRecord :
        Exception             :
            Type    : System.Management.Automation.ParentContainsErrorRecordException
            Message : Cannot find an overload for ".ctor" and the argument count: "0".
            HResult : -2146233087
        CategoryInfo          : NotSpecified: (:) [], ParentContainsErrorRecordException
        FullyQualifiedErrorId : MethodCountCouldNotFindBest
        InvocationInfo        :
            ScriptLineNumber : 7
            OffsetInLine     : 5
            HistoryId        : -1
            Line             : [ValidateRange(Unrestricted, Undefined)]

            PositionMessage  : At line:7 char:5
                               +     [ValidateRange(Unrestricted, Undefined)]
                               +     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            CommandOrigin    : Internal
        ScriptStackTrace      : at <ScriptBlock>, <No file>: line 1
    TargetSite  :
        Name          : GetAttribute
        DeclaringType : System.Management.Automation.Language.Compiler, System.Management.Automation, Version=7.2.4.500, Culture=neutral, PublicKeyToken=31bf3856ad364e35
        MemberType    : Method
        Module        : System.Management.Automation.dll
    Message     : Cannot find an overload for ".ctor" and the argument count: "0".
    Data        : System.Collections.ListDictionaryInternal
    Source      : System.Management.Automation
    HResult     : -2146233087
    StackTrace  :
   at System.Management.Automation.Language.Compiler.GetAttribute(AttributeAst attributeAst)
   at System.Management.Automation.Language.AttributeAst.GetAttribute()
   at System.Management.Automation.Language.Compiler.GetRuntimeDefinedParameter(ParameterAst parameterAst, Boolean& customParameterSet, Boolean& usesCmdletBinding)
   at System.Management.Automation.Language.Compiler.GetParameterMetaData(ReadOnlyCollection`1 parameters, Boolean automaticPositions, Boolean& usesCmdletBinding)
   at System.Management.Automation.Language.ScriptBlockAst.System.Management.Automation.Language.IParameterMetadataProvider.GetParameterMetadata(Boolean automaticPositions, Boolean& usesCmdletBinding)
   at System.Management.Automation.CompiledScriptBlockData.InitializeMetadata()
   at System.Management.Automation.CompiledScriptBlockData.get_ObsoleteAttribute()
   at System.Management.Automation.DlrScriptCommandProcessor.Init()
   at System.Management.Automation.CommandDiscovery.CreateCommandProcessorForScript(FunctionInfo functionInfo, ExecutionContext context, Boolean useNewScope, SessionStateInternal sessionState)
   at System.Management.Automation.CommandDiscovery.LookupCommandProcessor(CommandInfo commandInfo, CommandOrigin commandOrigin, Nullable`1 useLocalScope, SessionStateInternal sessionState)
   at System.Management.Automation.ExecutionContext.CreateCommand(String command, Boolean dotSource)
   at System.Management.Automation.PipelineOps.AddCommand(PipelineProcessor pipe, CommandParameterInternal[] commandElements, CommandBaseAst commandBaseAst, CommandRedirection[] redirections, ExecutionCont
ext context)
   at System.Management.Automation.PipelineOps.InvokePipeline(Object input, Boolean ignoreInput, CommandParameterInternal[][] pipeElements, CommandBaseAst[] pipeElementAsts, CommandRedirection[][] commandR
edirections, FunctionContext funcContext)
   at System.Management.Automation.Interpreter.ActionCallInstruction`6.Run(InterpretedFrame frame)
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame)
CategoryInfo          : NotSpecified: (:) [], MethodException
FullyQualifiedErrorId : MethodCountCouldNotFindBest
InvocationInfo        :
    ScriptLineNumber : 7
    OffsetInLine     : 5
    HistoryId        : -1
    Line             : [ValidateRange(Unrestricted, Undefined)]

    PositionMessage  : At line:7 char:5
                       +     [ValidateRange(Unrestricted, Undefined)]
                       +     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    CommandOrigin    : Internal
ScriptStackTrace      : at <ScriptBlock>, <No file>: line 1

Name                           Value
----                           -----
PSVersion                      7.2.4
PSEdition                      Core
GitCommitId                    7.2.4
OS                             Microsoft Windows 10.0.22000
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0