From a66ec0d18eba6b38fad25cc88c82f7532d689670 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Wed, 9 Feb 2022 10:52:49 +0800
Subject: fix a case nil coalesing used as update assignment.

---
 spec/inputs/nil_coalesing.yue  |  5 +++++
 spec/outputs/nil_coalesing.lua | 25 +++++++++++++++++++++++++
 2 files changed, 30 insertions(+)

(limited to 'spec')

diff --git a/spec/inputs/nil_coalesing.yue b/spec/inputs/nil_coalesing.yue
index facd64c..76915c7 100644
--- a/spec/inputs/nil_coalesing.yue
+++ b/spec/inputs/nil_coalesing.yue
@@ -39,5 +39,10 @@ do
 do
 	a = 1 ?? 2 ?? 3
 
+do
+	a.b.c ??= 1
+	a = b.x ?? c.x ?? d.x
+	a.c ??= 1
+
 nil
 
diff --git a/spec/outputs/nil_coalesing.lua b/spec/outputs/nil_coalesing.lua
index b434671..e1547df 100644
--- a/spec/outputs/nil_coalesing.lua
+++ b/spec/outputs/nil_coalesing.lua
@@ -153,4 +153,29 @@ do
 		end
 	end
 end
+do
+	local _obj_0 = a.b
+	if _obj_0.c == nil then
+		_obj_0.c = 1
+	end
+	local a
+	do
+		local _exp_0 = b.x
+		if _exp_0 ~= nil then
+			a = _exp_0
+		else
+			do
+				local _exp_1 = c.x
+				if _exp_1 ~= nil then
+					a = _exp_1
+				else
+					a = d.x
+				end
+			end
+		end
+	end
+	if a.c == nil then
+		a.c = 1
+	end
+end
 return nil
-- 
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