[Bug 90180] New: Segmentation Fault with CLANG builder

[Bug 90180] New: Segmentation Fault with CLANG builder

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90180

            Bug ID: 90180
           Summary: Segmentation Fault with CLANG builder
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: minor
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: mustelator-mRCrAkd8dF0@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 115331
  --> https://bugs.freedesktop.org/attachment.cgi?id=115331&action=edit
Backtrace normal and full

- Building nouveau with gcc, no problems.
- Building nouveau with clang -O0, no problems.
- Building nouveau with clang -O[1-x], the driver seems work ok, but when I
close the xorg, I warned of segmentation fault.


Versions
--------
Nouveau: x11-drivers/xf86-video-nouveau-1.0.11

gcc:    gcc (Gentoo 4.8.4 p1.4, pie-0.6.1) 4.8.4
    Copyright (C) 2013 Free Software Foundation, Inc.

clang:    clang version 3.6.0 (tags/RELEASE_360/final)
    Target: x86_64-pc-linux-gnu
    Thread model: posix

Xorg:    X.Org X Server 1.16.4
    Release Date: 2014-12-20
    X Protocol Version 11, Revision 0

Current version of pixman: 0.32.6
    Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.


System
------
Linux xxx 3.14.37-gentoo #4 SMP Sat Apr 25 20:18:53 CEST 2015 x86_64 AMD
Phenom(tm) II X6 1090T Processor AuthenticAMD GNU/Linux

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[Bug 90180] Segmentation Fault with CLANG builder

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90180

--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Did you mean to report this to the clang compiler people? Could be that nouveau
does something dodgy, but if it works with gcc, difficult to care...

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[Bug 90180] Segmentation Fault with CLANG builder

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90180

--- Comment #2 from Toni Ballesta <mustelator-mRCrAkd8dF0@public.gmane.org> ---
Thank you, Ilia. Then, I must warn to llvm.org. Is very strange that the code
works in the two, but the problem only appears on one.

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[Bug 90180] Segmentation Fault with CLANG builder

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90180

Samuel Pitoiset <samuel.pitoiset-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #3 from Samuel Pitoiset <samuel.pitoiset-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Thank you for reporting this, but it's probably not related to Nouveau.
I'm going to close this issue.

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