[Issue 7089] New: Inconsistent results when comparing structs with NaNs

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7089

           Summary: Inconsistent results when comparing structs with NaNs
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Keywords: wrong-code
          Severity: major
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: dsimcha at yahoo.com


--- Comment #0 from David Simcha <dsimcha at yahoo.com> 2011-12-10 09:27:01 PST ---
When comparing structs that contain a NaN for equality, the results differ
between 32- and 64-bit binaries on DMD 2.057 beta:

// test2.d:
import std.stdio;

struct S {
    double d;  // NaN
}

void main() {
    S s;
    writeln(s == S.init);
}

$ dmd test2.d -m32
$ ./test2
true
$ dmd test2.d -m64
$ ./test2
false

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