[Issue 15129] std.parallelism.parallel doesn't enforce shared-correctness

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=15129

--- Comment #2 from Nick Treleaven <nick at geany.org> ---
Both of these are examples of possible data races that should've been detected:
https://issues.dlang.org/show_bug.cgi?id=23624
https://issues.dlang.org/show_bug.cgi?id=23634

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