[Issue 5353] clear function is calling the destructor twice

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=5353


Simen Kjaeraas <simen.kjaras at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |simen.kjaras at gmail.com


--- Comment #3 from Simen Kjaeraas <simen.kjaras at gmail.com> 2010-12-14 16:35:59 PST ---
Highly interesting: copying the clear function of object_.d in druntime to my
own module, the destructor is called but once.


void myclear(T)(ref T obj) if (is(T == struct))
{
   static if (is(typeof(obj.__dtor())))
   {
       obj.__dtor();
   }
   auto buf = (cast(void*) &obj)[0 .. T.sizeof];
   auto init = (cast(void*) &T.init)[0 .. T.sizeof];
   buf[] = init[];
}

struct test {
   ~this( ) {
      writeln( "dtor!" );
   }
}

void main( ) {
   test* p = new test;
   clear( *p );
}

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