[Bug middle-end/39745] New: Wrong code by >= -O2 for pre-initialized variable and casted access

[ktietz at gcc dot gnu dot org]

This test case comes from the gdtoa library. The problem is reduced to a simple
test-case. Wrong code is produced for optimization levels higher or equal to 2.


-- 
           Summary: Wrong code by >= -O2 for pre-initialized variable and
                    casted access
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: critical
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ktietz at gcc dot gnu dot org
GCC target triplet: i686-*-* x86_64-*-*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39745