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cmd/compile: add comment to statictmp name generation
Follow-up to review comments on CL 39193. Change-Id: I7649af9d70ad73e039061a7a66fea416a7476192 Reviewed-on: https://go-review.googlesource.com/39199 Reviewed-by: Robert Griesemer <gri@golang.org>
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@ -575,6 +575,7 @@ var statuniqgen int // name generator for static temps
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// Callers should call n.Name.SetReadonly(true) on the
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// returned node for readonly nodes.
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func staticname(t *Type) *Node {
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// Don't use lookupN; it interns the resulting string, but these are all unique.
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n := newname(lookup(fmt.Sprintf("statictmp_%d", statuniqgen)))
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statuniqgen++
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addvar(n, t, PEXTERN)
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