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-rw-r--r--src/lapi.js10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/lapi.js b/src/lapi.js
index e035aca..307d4e3 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -731,9 +731,13 @@ const lua_compare = function(L, index1, index2, op) {
};
const lua_stringtonumber = function(L, s) {
- L.stack[L.top++] = lobject.luaO_str2num(s);
- assert(L.top <= L.ci.top, "stack overflow");
- return s.length;
+ let tv = lobject.luaO_str2num(s);
+ if (tv) {
+ L.stack[L.top++] = tv;
+ assert(L.top <= L.ci.top, "stack overflow");
+ return s.length;
+ }
+ return 0;
};
const lua_tointegerx = function(L, idx) {