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runtime: fix out of date comment

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scanobject no longer returns the new wbuf.

Change-Id: I0da335ae5cd7ef7ea0e0fa965cf0e9f3a650d0e6
Reviewed-on: https://go-review.googlesource.com/7505
Reviewed-by: Rick Hudson <rlh@golang.org>
This commit is contained in:
Austin Clements 2015-03-12 11:20:02 -04:00
parent e5be6432a8
commit 830abc957a
1 changed files with 0 additions and 1 deletions
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src/runtime/mgcmark.go
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@ -408,7 +408,6 @@ func scanblock(b0, n0 uintptr, ptrmask *uint8, gcw *gcWorkProducer) {
}
// Scan the object b of size n bytes, adding pointers to wbuf.
// Return possibly new wbuf to use.
// If ptrmask != nil, it specifies where pointers are in b.
// If ptrmask == nil, the GC bitmap should be consulted.
// In this case, n may be an overestimate of the size; the GC bitmap