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-rw-r--r--src/lapi.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lapi.js b/src/lapi.js
index 5064c30..3520b15 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -158,7 +158,7 @@ const lua_rotate = function(L, idx, n) {
let p = index2addr(L, idx);
let pIdx = index2addr_(L, idx);
- assert(!p.ttisnil() && idx > lua.LUA_REGISTRYINDEX, "index not in the stack");
+ assert(/*!p.ttisnil() && */idx > lua.LUA_REGISTRYINDEX, "index not in the stack");
assert((n >= 0 ? n : -n) <= (L.top - idx), "invalid 'n'");
let m = n >= 0 ? L.top - 1 - n : pIdx - n - 1; /* end of prefix */