AA0205 is fired for assigned variables when combined with THIS keyword - wrong close reason

[TKapitan]

Please include the following with each issue:

1. Describe the bug
AA0205 is fired for assigned variables when combined with THIS keyword

2. To Reproduce
Steps to reproduce the behavior:

codeunit 71698222 FS5A23Test
{
    var
        HeaderTableNo, LineTableNo : Integer;

    procedure Proc1(EDIMessageType: Enum FS5A23EDIMessageType)
    begin
        Populate(this.HeaderTableNo, this.LineTableNo);
    end;

    procedure Proc2()
    begin
        Message(Format(this.HeaderTableNo + this.LineTableNo));
    end;

    local procedure Populate(var Variable1: Integer; var Variable2: Integer)
    begin
        Variable1 := 1;
        Variable2 := 2;
    end;
}

3. Expected behavior
Warning should not be shown. The warning now disappear when you change Populate(this.HeaderTableNo, this.LineTableNo) to Populate(HeaderTableNo, LineTableNo) so it's probably related to THIS keyword and how the pass-by-reference is evaluated.

4. Actual behavior
AA0205 warning is shown

5. Versions:

• AL Language: v14.1.1180850
• Visual Studio Code: 1.94.2
• Business Central: not related
• List of Visual Studio Code extensions that you have installed: not related
• Operating System: Windows

Internal work item: AB#557596

[TKapitan]

@nndobrev This was closed in #7886 as duplicate of #7877. However, this is not the same issue and has different impacts (I was discussing this issue at Directions on Thursday).

The linked issue is a problem with local/global variables. My issue is about a warning even when you have ONLY global variables. While I agree with the "by design" for #7877, my issue is not by design but an issue that will block anyone from using THIS keyword (as this warning is shown every time you pass this.VARIABLE to the setter.