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List:       gcc-bugs
Subject:    [Bug middle-end/43951]  New: [4.6 Regression] 483.xalancbmk in SPEC CPU 2006 is miscompiled
From:       "hjl dot tools at gmail dot com" <gcc-bugzilla () gcc ! gnu ! org>
Date:       2010-04-30 19:39:18
Message-ID: bug-43951-682 () http ! gcc ! gnu ! org/bugzilla/
[Download RAW message or body]

On Linux/x86-64, revision 158930 miscompiled 483.xalancbmk in SPEC CPU 2006
with -O2 -ffast-math:

  Running 483.xalancbmk ref base o2 default

483.xalancbmk: copy #0 non-zero return code (rc=0, signal=11)

Error with
'/export/gnu/import/svn/gcc-test/spec/2006/x86_64/spec/bin/specinvoke -E -d
/export/gnu/import/svn/gcc-test/spec/2006/x86_64/spec/benchspec/CPU2006/483.xalancbmk/run/run_base_ref_o2.0000
                
-c 1 -e compare.err -o compare.stdout -f compare.cmd': check file
'/export/gnu/import/svn/gcc-test/spec/2006/x86_64/spec/benchspec/CPU2006/483.xalancbmk/run/run_base_ref_o2.0000/.err'
                
Error: 1x483.xalancbmk

Revision 158912 is OK.


-- 
           Summary: [4.6 Regression] 483.xalancbmk in SPEC CPU 2006 is
                    miscompiled
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl dot tools at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43951


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