[Issue 6257] New: Struct postblit not called in one case

d-bugmail at puremagic.com d-bugmail at puremagic.com
Wed Jul 6 03:32:07 PDT 2011


http://d.puremagic.com/issues/show_bug.cgi?id=6257

           Summary: Struct postblit not called in one case
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: wrong-code
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: bearophile_hugs at eml.cc


--- Comment #0 from bearophile_hugs at eml.cc 2011-07-06 03:27:03 PDT ---
With DMD 2.053 the second assert of this program fires, is this a DMD bug?


struct Foo {
   int[] data;

   this(int n) {
       data.length = n;
   }

   this(this) {
       data = data.dup;
   }
}
void main() {
   Foo f1, f2;
   f1 = Foo(1);
   f2 = f1;
   assert(f1.data.ptr != f2.data.ptr); // OK
   f1 = f2 = Foo(1);
   assert(f1.data.ptr != f2.data.ptr); // asserts
}

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