[Bug 49545] New: Current working directory reset to "/" on executing a winegcc/wineg++ compiled program

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49545

            Bug ID: 49545
           Summary: Current working directory reset to "/" on executing a
                    winegcc/wineg++ compiled program
           Product: Wine
           Version: 5.12
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs at winehq.org
          Reporter: sacrom at gmail.com
      Distribution: ---

Created attachment 67680
  --> https://bugs.winehq.org/attachment.cgi?id=67680
Minimal source code showing the problem

Since Wine version 5.12 (may be 5.11) the current working directory is reset to
"/" when executing a winegcc/wineg++ generated program. While in Wine 5.10 and
previous versions the current working directory was the directory where the
command was executed from.

I attach a really simple program that shows the issue (attached file showdir.c)

I compile the program with gcc and winegcc (in this example winegcc from Wine
5.10)

On WINE 5.10:
-------------
/sc/tmp/wine $ wine --version
wine-5.10
/sc/tmp/wine $ gcc -o showdir showdir.c
/sc/tmp/wine $ winegcc -o showdir_wine showdir.c
/sc/tmp/wine $ ls
showdir  showdir.c  showdir_wine.exe  showdir_wine.exe.so
/sc/tmp/wine $ ./showdir
getcwd() => /sc/tmp/wine
/sc/tmp/wine $ ./showdir_wine.exe
getcwd() => /sc/tmp/wine
/sc/tmp/wine $ wine showdir_wine.exe.so 
getcwd() => /sc/tmp/wine
/sc/tmp/wine $ wine start showdir_wine.exe.so 
getcwd() => /sc/tmp/wine

On WINE 5.12 (with the same Win 5.10 compiled files):
-----------------------------------------------------
/sc/tmp/wine $ wine --version
wine-5.12
/sc/tmp/wine $ ./showdir
getcwd() => /sc/tmp/wine
/sc/tmp/wine $ ./showdir_wine.exe
getcwd() => /
/sc/tmp/wine $ wine showdir_wine.exe.so 
getcwd() => /
/sc/tmp/wine $ wine start showdir_wine.exe.so 
getcwd() => /sc/tmp/wine

Note: When using "wine start" sets the correct directory

Attached the full log of the previous executions in Wine_5_10.log and
Wine_5_12.log

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