[Issue 12859] Read-modify-write operation for shared variable in Phobos

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12859

--- Comment #4 from github-bugzilla at puremagic.com ---
Commits pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/6e9e153075e56ce6a8f1c86e3a8f7f2b0947dd53
Fix issue 12859 again

The direct pushing by Andrew Edwards had accidentally reverted regression fix.

https://github.com/D-Programming-Language/phobos/commit/0da863be79339b5f853a5ae7c530cfcf7e54c355
Merge pull request #2286 from 9rnsr/fix12859

Fix issue 12859 again

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