RFR: 8197981: Missing return statement in __sync_val_compare_and_swap_8

[David Holmes]

On Mon, 19 Oct 2020 14:20:04 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> This is similar to JDK-8254144 (that only did this for `os_linux_zero.cpp`), but a fuller version that also does
> `os_bsd_zero.cpp`. The patch is already in 7u, and needs forward porting. It takes the shape of JDK-8254144, that is
> with the comment: https://github.com/openjdk/jdk/commit/8f9e4792

Marked as reviewed by dholmes (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/739