[Issue 14245] Immutable reference to immutable field in constructor allows breaking type system

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14245

Eduard Staniloiu <edi33416 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |edi33416 at gmail.com

--- Comment #2 from Eduard Staniloiu <edi33416 at gmail.com> ---
Adding another example of this issue.

immutable(int)* g;

struct X {
    int a = 10;
    immutable this(int x) {
        g = &a;
        a = 42;
    }
}

void main() {
    auto x = immutable X();
}

This is problematic in multithreaded environments since the global variable `g`
is shared among threads which rely on it's immutability to provide concurrent,
lock free, accesses.

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