Unexpected Behavior of return in Switch Block 

### Prerequisites

- [X] Write a descriptive title.
- [X] Make sure you are able to repro it on the [latest released version](https://github.com/PowerShell/PowerShell/releases)
- [X] Search the existing issues.
- [X] Refer to the [FAQ](https://github.com/PowerShell/PowerShell/blob/master/docs/FAQ.md).
- [X] Refer to [Differences between Windows PowerShell 5.1 and PowerShell](https://learn.microsoft.com/powershell/scripting/whats-new/differences-from-windows-powershell).

### Steps to reproduce

Executing the following script in PowerShell 7.4.0 results in an unexpected behavior which also differs from PowerShell 5.1
```
function foo($x) {
    $val = switch ($x){
        1 { 5 }
        default {
            return 10 
        }
    }
    Write-Host "Val is $val" 
    $val + 1
}

Write-Host "foo 1: $(foo 1)"
Write-Host "foo 2: $(foo 2)"
```

PS 5.1 output:
```
Val is 5
foo 1: 6
foo 2: 10
```

PS 7.4.0 output:
```
Val is 5
foo 1: 6    
foo 2:
```

It's not clear if this is a bug or simply a documente change from classic PowerShell, but it certainly behaves in a way I don't find intuitive.

### Expected behavior

```console
PS> <execute script>
Val is 5
foo 1: 6
foo 2: 10
```


### Actual behavior

```console
PS> <execute script>
Val is 5
foo 1: 6
foo 2:
```


### Error details

_No response_

### Environment data

```powershell
Name                           Value
----                           -----
PSVersion                      7.4.0
PSEdition                      Core
GitCommitId                    7.4.0
OS                             Microsoft Windows 10.0.19045
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0


Name                           Value
----                           -----
PSVersion                      5.1.19041.3570
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.19041.3570
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
```


### Visuals

_No response_

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Unexpected Behavior of return in Switch Block #20739

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Unexpected Behavior of return in Switch Block #20739

Description

Prerequisites

Steps to reproduce

Expected behavior

Actual behavior

Error details

Environment data

Visuals

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions