Revert "runtime: process ptr bitmaps one word at a time"
This reverts commit
c3833a55433f4b2981253f64444fe5c3d1bc910a.
Reason for revert: Bug somewhere in this code, causing wasm and maybe linux/386 to fail.
Change-Id: I05f7cfa467598ca0c2c84fd4f752cc4ef117cc51
Reviewed-on: https://go-review.googlesource.com/c/go/+/422394
Run-TryBot: Keith Randall <khr@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>