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-rw-r--r--src/lundump.js3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/lundump.js b/src/lundump.js
index 1891451..4931fe8 100644
--- a/src/lundump.js
+++ b/src/lundump.js
@@ -265,7 +265,8 @@ const luaU_undump = function(L, Z, name) {
let S = new BytecodeParser(L, Z, name);
S.checkHeader();
let cl = lfunc.luaF_newLclosure(L, S.readByte());
- L.stack[L.top++] = new lobject.TValue(defs.CT.LUA_TLCL, cl);
+ ldo.luaD_inctop(L);
+ L.stack[L.top-1] = new lobject.TValue(defs.CT.LUA_TLCL, cl);
cl.p = new lfunc.Proto(L);
S.readFunction(cl.p, null);
assert(cl.nupvalues === cl.p.upvalues.length);