[Issue 9870] New: Instruction scheduling error

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9870

           Summary: Instruction scheduling error
           Product: D
           Version: D1 & D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: bugzilla at digitalmars.com


--- Comment #0 from Walter Bright <bugzilla at digitalmars.com> 2013-04-03 13:43:25 PDT ---
The following code from the test suite sdtor.d:
-------------------
struct S20 {
    static char[] r;
}

void main() {
    assert(S20.r == "");
}
-------------------
Fails on 32 bit linux when compiled with -O. The problem is the XOR EAX,EAX
gets scheduled before another instruction that sets the flags. The problem
exists on all dmd targets.

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