[Issue 19984] Support shared in foreach lambdas

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19984

--- Comment #1 from Manu <turkeyman at gmail.com> ---
I will write the parallel() function (including the opApply), but the language
needs to emit the correct lambda, and pass it to the opApply function.

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