[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: wine-bugs(a)winehq.org
          Reporter: gijsvrm(a)gmail.com
                CC: julliard(a)winehq.org
   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 <julliard(a)winehq.org>    
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.

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

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

Gijs Vermeulen <gijsvrm(a)gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |download, regression
                URL|                            |https://steamcdn-a.akamaihd
                   |                            |.net/client/installer/Steam
                   |                            |Setup.exe

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

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

--- Comment #1 from Alexandre Julliard <julliard(a)winehq.org> ---
My guess would be that it miscompiles the WINE_RB_FOR_EACH_ENTRY macro. Could
you please mail me your ntdll.dll.so?

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

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

--- Comment #2 from Gijs Vermeulen <gijsvrm(a)gmail.com> ---
(In reply to Alexandre Julliard from comment #1)
> My guess would be that it miscompiles the WINE_RB_FOR_EACH_ENTRY macro.
> Could you please mail me your ntdll.dll.so?

Sent.

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

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

Alexandre Julliard <julliard(a)winehq.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
      Fixed by SHA1|                            |5d01ebab89cee8a3499ee00729c
                   |                            |048068d5b719d
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #3 from Alexandre Julliard <julliard(a)winehq.org> ---
Confirmed to be a gcc bug, workaround committed as
5d01ebab89cee8a3499ee00729c048068d5b719d.

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

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

Alexandre Julliard <julliard(a)winehq.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #4 from Alexandre Julliard <julliard(a)winehq.org> ---
Closing bugs fixed in 2.20.

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

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

Alexandre Julliard <julliard(a)winehq.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |version2013(a)openmailbox.org

--- Comment #5 from Alexandre Julliard <julliard(a)winehq.org> ---
*** Bug 43789 has been marked as a duplicate of this bug. ***

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