bc20704c26
If user code has two timers t1 and t2 and does *t1 = *t2
(or *t1 = Timer{}), it creeps me out that we would be
corrupting the runtime data structures inlined in the
Timer struct. Replace that field with a pointer to the
runtime data structure instead, so that the corruption
cannot happen, even in a badly behaved program.
In fact, remove the struct definition entirely and linkname
a constructor instead. Now the runtime can evolve the struct
however it likes without needing to keep package time in sync.
Also move the workaround logic for #21874 out of
runtime and into package time.
Change-Id: Ia30f7802ee7b3a11f5d8a78dd30fd9c8633dc787
Reviewed-on: https://go-review.googlesource.com/c/go/+/568339
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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| codereview.cfg | ||
| CONTRIBUTING.md | ||
| go.env | ||
| LICENSE | ||
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| README.md | ||
| SECURITY.md | ||
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