cb13022a24
We claim to not maintain pointer bits for noscan objects. But in fact we do, since whenever we switch a page from scannable to noscan, we call heapBits.initSpan which zeroes the heap bits. Switch to ensure that we never scan noscan objects. This ensures that we don't depend on the ptrbits for noscan objects. That fixes a bug in the 1-bit bitmap CL which depended on that fact. Change-Id: I4e66f582605b53732f8fca310c1f6bd2892963cb Reviewed-on: https://go-review.googlesource.com/c/go/+/422435 Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: Keith Randall <khr@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> |
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The Go Programming Language
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