From 8a7b5cc48c22f910a02320b547b76283307a1b83 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Tue, 19 Dec 2023 14:37:28 +0800
Subject: fix a crash case.

---
 src/yuescript/yue_compiler.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index 2283d85..d43f79b 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -75,7 +75,7 @@ static std::unordered_set<std::string> Metamethods = {
 	"close"s // Lua 5.4
 };
 
-const std::string_view version = "0.21.4"sv;
+const std::string_view version = "0.21.5"sv;
 const std::string_view extension = "yue"sv;
 
 class CompileError : public std::logic_error {
@@ -3959,6 +3959,7 @@ private:
 					   expListAssign && expListAssign->action && expListAssign->action.is<Assign_t>()) {
 				BLOCK_START
 				auto unary = singleUnaryExpFrom(expListAssign->expList->exprs.back());
+				BREAK_IF(!unary);
 				BREAK_IF(!unary->ops.empty());
 				auto value = static_cast<Value_t*>(unary->expos.front());
 				auto simpleValue = value->item.as<SimpleValue_t>();
-- 
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