compress/flate: cancel redundant operations

The assignment operation in the program seems to be redundant, the first judgment will continue to overwrite the previous value. The subsequent slicing operation will cut all the values without frequency. Change-Id: Id59fc36dd5bacfde881edaf0d9c1af5348286611 Reviewed-on: https://go-review.googlesource.com/c/go/+/244157 TryBot-Result: Gopher Robot <[email protected]> Auto-Submit: Ian Lance Taylor <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]> Reviewed-by: David Chase <[email protected]> Reviewed-by: Joe Tsai <[email protected]> Run-TryBot: Ian Lance Taylor <[email protected]>
golang · May 8, 2022 · b8d55a7 · b8d55a7
1 parent eed7757
commit b8d55a7
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/src/compress/flate/huffman_code.go b/src/compress/flate/huffman_code.go
@@ -288,11 +288,9 @@ func (h *huffmanEncoder) generate(freq []int32, maxBits int32) {
 			list[count] = literalNode{uint16(i), f}
 			count++
 		} else {
-			list[count] = literalNode{}
 			h.codes[i].len = 0
 		}
 	}
-	list[len(freq)] = literalNode{}
 
 	list = list[:count]
 	if count <= 2 {