Add-Type fails when more than a single source code file is given #4814
Description
It appears Add-Type on powershell core attempts to concatenate all source code files when compiling. The "using" directive of all but the first source file causes syntax error
Scripts to reproduce
https://github.com/psteniusubi/add-type
Steps to reproduce
Add-Type -Path Type1.cs,Type2.csExpected behavior
Should compile without error. Works on PowerShell for Windows
Actual behavior
Add-Type : (14) : A using clause must precede all other elements defined in the namespace except extern alias declarations
At line:1 char:1
+ Add-Type -Path Type1.cs,Type2.cs
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidData: (Microsoft.Power...peCompilerError:AddTypeCompilerError) [Add-Type], Exception
+ FullyQualifiedErrorId : SOURCE_CODE_ERROR,Microsoft.PowerShell.Commands.AddTypeCommand
Add-Type : Cannot add type. Compilation errors occurred.
At line:1 char:1
+ Add-Type -Path Type1.cs,Type2.cs
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidData: (:) [Add-Type], InvalidOperationException
+ FullyQualifiedErrorId : COMPILER_ERRORS,Microsoft.PowerShell.Commands.AddTypeCommand
Environment data
> $PSVersionTable
Name Value
---- -----
PSVersion 6.0.0-beta
PSEdition Core
GitCommitId v6.0.0-beta.6
OS Microsoft Windows 10.0.15063
Platform Win32NT
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
WSManStackVersion 3.0