[Bug 51057] New: `winetricks -q mfc42` fails

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51057

Bug ID: 51057
           Summary: `winetricks -q mfc42` fails
           Product: Wine
           Version: 6.5
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Keywords: download, regression
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail]
   Regression SHA1: 28fe84da45bea7de56539b50eac8ebcec54342de
      Distribution: ArchLinux

Created attachment 69918
  --> https://bugs.winehq.org/attachment.cgi?id=69918
output

It's actually winetricks_vcrun6_helper() that fails, but using mfc42 is the
easiest way to reproduce. The vcrun6 can't be in the winetricks cache
(~/.cache/winetricks).

Bisection revealed:

28fe84da45bea7de56539b50eac8ebcec54342de is the first bad commit
commit 28fe84da45bea7de56539b50eac8ebcec54342de
Author: Alexandre Julliard 
Date:   Wed Mar 24 10:53:53 2021 +0100

ntdll: Load the main image from the Unix side.

Signed-off-by: Alexandre Julliard

Do note that I couldn't reproduce this on macOS, but could on ArchLinux.

This could be related to Bug 50973, but to be sure I wanted to report this
separately.