From 7e55f41a59749ead153f6efd8b728ad4e2cdb2e8 Mon Sep 17 00:00:00 2001
From: Masaaki Goshima <goccy54@gmail.com>
Date: Wed, 23 Dec 2020 01:42:49 +0900
Subject: [PATCH] Fix encoding of nil value for opMarshalText

---
 encode_vm.go | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/encode_vm.go b/encode_vm.go
index 20af120..60f388d 100644
--- a/encode_vm.go
+++ b/encode_vm.go
@@ -486,10 +486,7 @@ func (e *Encoder) run(ctx *encodeRuntimeContext, b []byte, code *opcode) ([]byte
 			ptr := load(ctxptr, code.idx)
 			isPtr := code.typ.Kind() == reflect.Ptr
 			p := e.ptrToUnsafePtr(ptr)
-			if p == nil {
-				b = encodeNull(b)
-				b = encodeComma(b)
-			} else if isPtr && *(*unsafe.Pointer)(p) == nil {
+			if p == nil || isPtr && *(*unsafe.Pointer)(p) == nil {
 				b = append(b, '"', '"', ',')
 			} else {
 				v := *(*interface{})(unsafe.Pointer(&interfaceHeader{