4a8373c553
Currently, the pcvalue cache is stack allocated for each operation that needs to look up a lot of pcvalues. It's not always clear where to put it, a lot of the time we just pass a nil cache, it doesn't get reused across operations, and we put a surprising amount of effort into threading these caches around. This CL moves it to the M, where it can be long-lived and used by all pcvalue lookups, and we don't have to carefully thread it across operations. This is a re-roll of CL 515276 with a fix for reentrant use of the pcvalue cache from the signal handler. Change-Id: Id94c0c0fb3004d1fda1b196790eebd949c621f28 Reviewed-on: https://go-review.googlesource.com/c/go/+/520063 TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Austin Clements <austin@google.com> Auto-Submit: Austin Clements <austin@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com> |
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