[Bug 43927] New: Wine crashes when running anything ( when compiled with gcc4.2, clang works)

https://bugs.winehq.org/show_bug.cgi?id=43927

Bug ID: 43927
           Summary: Wine crashes when running anything (when compiled with
                    gcc4.2, clang works)
           Product: Wine
           Version: 2.17
          Hardware: x86-64
                OS: Mac OS X
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail]
   Regression SHA1: 2967e3efb6cb83decfa75e5d2e1d9e7da44130c7

Created attachment 59562
  --> https://bugs.winehq.org/attachment.cgi?id=59562
Backtrace when running SteamSetup.exe

This is a regression introduced in 2.17.
This commit caused it:

author    Alexandre Julliard     
Thu, 7 Sep 2017 17:31:42 +0000 (19:31 +0200)
commit    2967e3efb6cb83decfa75e5d2e1d9e7da44130c7
ntdll: Store memory views in a binary tree instead of a list.

The commit before this one doesn't have this problem.
Like I mentioned in the title, this only happens when compiling with gcc4.2,
when compiled with clang3.8 it works fine.