[Issue 14388] New: Assertion failed: (type->ty != Tstruct || ((TypeStruct *)type)->sym == this)

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14388

          Issue ID: 14388
           Summary: Assertion failed: (type->ty != Tstruct || ((TypeStruct
                    *)type)->sym == this)
           Product: D
           Version: D2
          Hardware: x86_64
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: DMD
          Assignee: nobody at puremagic.com
          Reporter: dransic at gmail.com

Reduced test:
---
struct Data(A a)
{
    auto foo()
    {
        return Data!a.init;
    }
}

struct A
{
    struct Item {}

    immutable(Item)[] items;

    this(int dummy)
    {
        items = [Item()].idup; // No error with .dup
    }
}

void main()
{
    auto test = Data!(A(42)).init.foo();
}
---

DMD 2.067.0: 
Assertion failed: (type->ty != Tstruct || ((TypeStruct *)type)->sym == this),
function semantic, file struct.c, line 929.

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