cmd/compile, runtime: eliminate growslice_n

Fixes #11419.

Change-Id: I7935a253e3e96191a33f5041bab203ecc5f0c976
Reviewed-on: https://go-review.googlesource.com/20647
Reviewed-by: Keith Randall <khr@golang.org>

1 files changed, 0 insertions, 11 deletions

diff --git a/src/runtime/slice.go b/src/runtime/slice.go
index bbd3e99523..c67862ebac 100644
--- a/src/runtime/slice.go
+++ b/src/runtime/slice.go
@@ -33,17 +33,6 @@ func makeslice(t *slicetype, len64, cap64 int64) slice {
 	return slice{p, len, cap}
 }
 
-// growslice_n is a variant of growslice that takes the number of new elements
-// instead of the new minimum capacity.
-// TODO(rsc): This is used by append(slice, slice...).
-// The compiler should change that code to use growslice directly (issue #11419).
-func growslice_n(t *slicetype, old slice, n int) slice {
-	if n < 1 {
-		panic(errorString("growslice: invalid n"))
-	}
-	return growslice(t, old, old.cap+n)
-}
-
 // growslice handles slice growth during append.
 // It is passed the slice type, the old slice, and the desired new minimum capacity,
 // and it returns a new slice with at least that capacity, with the old data