[Bug nptl/18645] New: nptl/tst-cleanupx4 failure on i686

[Bug nptl/18645] New: nptl/tst-cleanupx4 failure on i686

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=18645

            Bug ID: 18645
           Summary: nptl/tst-cleanupx4 failure on i686
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: nptl
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---

On Fedora/22 i686, with commit 2e4250225cf894e11c926007698cea8096a372fb,
I got

FAIL: nptl/tst-cleanupx4

[hjl@gnu-6 build-i686-linux]$ cat nptl/tst-cleanupx4.out
test 0
clh (1)
clh (2)
clh (3)
test 1
clh (1)
clh (4)
clh (5)
clh (6)
test 2
clh (7)
clh (8)
global = 64, expected 120
test 3
clh (1)
clh (2)
clh (9)
clh (10)
[hjl@gnu-6 build-i686-linux]$

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[Bug nptl/18645] nptl/tst-cleanupx4 failure on i686

[carlos at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=18645

Carlos O'Donell <carlos at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |carlos at redhat dot com

--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
I see tst-cleanupx4 fail on F22 for i686 with glibc-2.21, so it has to be
something that changed earlier.

+ read testcase
+ echo nptl/tst-cleanupx4
nptl/tst-cleanupx4
+ cat nptl/tst-cleanupx4.out
test 0
clh (1)
clh (2)
clh (3)
test 1
clh (1)
clh (4) 
clh (5)
clh (6)
test 2 
clh (7) 
clh (8)
global = 64, expected 120
test 3
clh (1)
clh (2)
clh (9)
clh (10)

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[Bug nptl/18645] nptl/tst-cleanupx4 failure on i686

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=18645

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Carlos O'Donell from comment #1)
> I see tst-cleanupx4 fail on F22 for i686 with glibc-2.21, so it has to be
> something that changed earlier.

This may be a compiler bug:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66334

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