[Issue 20154] bad closure if local variables have larger alignment requirements

[d-bugmail--- via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=20154

--- Comment #3 from Walter Bright <bugzi...@digitalmars.com> ---
A somewhat more illustrative test:


struct SpinLock
{
    align(64)
        int x;
}

void collectReferences(int x) //ref HashTab references)
{
    SpinLock lock = SpinLock(8); // dmd BUG: alignment causes bad capture!

    void mark() scope nothrow
    {
        assert(lock.x == 8);
        assert(x == 7);
    }

    mark();
}

void main()
{
    collectReferences(7);
}

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