[Bug 48738] When running certain Batch files, my Wine cmd.exe reproducible crashes with "page fault on read access" or with "stack overflow in 32-bit code".

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48738

Louis Lenders  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|-unknown                    |cmd
    Regression SHA1|                            |f238e846e701d2039eceb51f2f6
                   |                            |e9d936f8c791c
                 CC|                            |[e-mail]

--- Comment #2 from Louis Lenders  ---
(In reply to Louis Lenders from comment #1)
> Confirming
>
> Works fine in  an old wine-4.0 (Staging) I have lying around here, so indeed
> a regression.
> Also visible when first doing "wine cmd", and then "one.bat"
>
> @OP: Any chance you could do a regression test?

Had some cpu-cycles left so did it myself; Patch can still be reverted cleanly
against current git

regards

f238e846e701d2039eceb51f2f6e9d936f8c791c is the first bad commit
commit f238e846e701d2039eceb51f2f6e9d936f8c791c
Author: Bernhard Übelacker 
Date:   Tue Aug 20 17:04:58 2019 +0200

cmd.exe: Change parsing of the if command to avoid parsing the operators.