reflect: set swissmap GroupSize

prattmic · gopherbot · commit 02df9bbdbdb0 · 2024-11-21T15:52:29.000Z
This was missed in CL 627716. For #54766. Change-Id: Ib987efa8abe6e89367e2e1b71a33b64ac6b01b1f Reviewed-on: https://go-review.googlesource.com/c/go/+/630279 Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Keith Randall <khr@golang.org> Auto-Submit: Michael Pratt <mpratt@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
diff --git a/src/reflect/map_swiss.go b/src/reflect/map_swiss.go
@@ -71,6 +71,7 @@ func MapOf(key, elem Type) Type {
 	mt.Hasher = func(p unsafe.Pointer, seed uintptr) uintptr {
 		return typehash(ktyp, p, seed)
 	}
+	mt.GroupSize = mt.Group.Size()
 	mt.SlotSize = slot.Size()
 	mt.ElemOff = slot.Field(1).Offset
 	mt.Flags = 0

Original file line number	Diff line number	Diff line change
`@@ -71,6 +71,7 @@ func MapOf(key, elem Type) Type {`
`71`	`71`	`mt.Hasher = func(p unsafe.Pointer, seed uintptr) uintptr {`
`72`	`72`	`return typehash(ktyp, p, seed)`
`73`	`73`	`}`
	`74`	`+ mt.GroupSize = mt.Group.Size()`
`74`	`75`	`mt.SlotSize = slot.Size()`
`75`	`76`	`mt.ElemOff = slot.Field(1).Offset`
`76`	`77`	`mt.Flags = 0`