[Bug middle-end/41963] New: [4.5 Regression] 177.mesa in SPEC CPU 2K is miscompiled

[hjl dot tools at gmail dot com]

On Linux/x86-64, 177.mesa in SPEC CPU 2K is miscompiled at -O3 -ffast-math
by revision 153946:

  Running 177.mesa ref base o3 default
*** Miscompare of mesa.ppm, see
/export/gnu/import/svn/gcc-test/spec/2000/x86_64
/spec/benchspec/CFP2000/177.mesa/run/00000002/mesa.ppm.mis

Revision 153929 is OK.


-- 
           Summary: [4.5 Regression] 177.mesa in SPEC CPU 2K is miscompiled
           Product: gcc
           Version: 4.5.0
            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=41963