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cmd/compile: remove outdate comment of treecopy

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Since golang.org/cl/32487, treecopy does not handle non-iota ONONAME and
iota ONONAME anymore.

Change-Id: Icd5a81333a0d4d04adef2dbc58db92ce67aa0860
Reviewed-on: https://go-review.googlesource.com/c/go/+/172038
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
LE Manh Cuong 2019-04-16 01:51:14 +07:00 • committed by Matthew Dempsky
parent ad832284c7
commit dec5d99b71
1 changed files with 3 additions and 4 deletions
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7
src/cmd/compile/internal/gc/subr.go
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@ -435,10 +435,9 @@ func nodstr(s string) *Node {
}
// treecopy recursively copies n, with the exception of
// ONAME, OLITERAL, OTYPE, and non-iota ONONAME leaves.
// Copies of iota ONONAME nodes are assigned the current
// value of iota_. If pos.IsKnown(), it sets the source
// position of newly allocated nodes to pos.
// ONAME, OLITERAL, OTYPE, and ONONAME leaves.
// If pos.IsKnown(), it sets the source position of newly
// allocated nodes to pos.
func treecopy(n *Node, pos src.XPos) *Node {
if n == nil {
return nil