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digitalmars.D.bugs - [Issue 14585] New: destructor called on garbage in std.variant

https://issues.dlang.org/show_bug.cgi?id=14585

          Issue ID: 14585
           Summary: destructor called on garbage in std.variant
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Phobos
          Assignee: nobody puremagic.com
          Reporter: ag0aep6g gmail.com

Originally found by Fyodor Ustinov who posted to digitalmars.D.learn and
digitalmars.D:
http://forum.dlang.org/post/nobzbhpqsbzutljejifj forum.dlang.org
http://forum.dlang.org/post/oqjnjvchzatzkaboeygz forum.dlang.org

Pull request on the way.

----
import std.stdio;
import std.variant: Variant;

struct S
{
    int x = 42;
    ~this()
    {
        writeln("x: ", x);
        assert(x == 42);
    }
}

void main()
{
    Variant(S()).get!S;
}
----

Output (truncated):
----
x: 42
x: 42
x: 42
x: 7017840
x: 42
core.exception.AssertError test4.d(10): Assertion failure
----

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May 15 2015