tree 287f49f29f2d0bc67bcc96b8d290858faf80f430
parent 2226952b8a9564a83b29cb281238c5adac6c71b3
author Michael Anthony Knyszek <mknyszek@google.com> 1652195901 +0000
committer Michael Knyszek <mknyszek@google.com> 1652200827 +0000

runtime: add lock partial order edge for trace and wbufSpans and mheap

This edge represents the case of executing a write barrier under the
trace lock: we might use the wbufSpans lock to get a new trace buffer,
or mheap to allocate a totally new one.

Fixes #52794.

Change-Id: Ia1ac2c744b8284ae29f4745373df3f9675ab1168
Reviewed-on: https://go-review.googlesource.com/c/go/+/405476
Run-TryBot: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>