fix a wrong code generating issue, update builtin Lua.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index 415fcd3..e004821 100755
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -60,7 +60,7 @@ using namespace parserlib;
 
 typedef std::list<std::string> str_list;
 
-const std::string_view version = "0.8.4"sv;
+const std::string_view version = "0.8.5"sv;
 const std::string_view extension = "yue"sv;
 
 class YueCompilerImpl {
@@ -530,6 +530,7 @@ private:
                 }
                 if (!exp) return nullptr;
                 BLOCK_START
+                BREAK_IF(exp->nilCoalesed);
                 BREAK_IF(!exp->opValues.empty());
                 BREAK_IF(exp->pipeExprs.size() != 1);
                 auto unary = static_cast<unary_exp_t*>(exp->pipeExprs.back());