Global initialization checks name conflict

Initialization "global a = 10" raises an error if global 'a' is already
defined, that is, it has a non-nil value.

1 files changed, 1 insertions, 0 deletions

diff --git a/lopcodes.c b/lopcodes.c
index 47458e40..7e182315 100644
--- a/lopcodes.c
+++ b/lopcodes.c
@@ -103,6 +103,7 @@ LUAI_DDEF const lu_byte luaP_opmodes[NUM_OPCODES] = {
  ,opmode(0, 0, 0, 0, 1, iABx)           /* OP_CLOSURE */
  ,opmode(0, 1, 0, 0, 1, iABC)           /* OP_VARARG */
  ,opmode(0, 0, 0, 0, 1, iABC)           /* OP_GETVARG */
+ ,opmode(0, 0, 0, 0, 0, iABx)           /* OP_ERRNNIL */
  ,opmode(0, 0, 1, 0, 1, iABC)           /* OP_VARARGPREP */
  ,opmode(0, 0, 0, 0, 0, iAx)            /* OP_EXTRAARG */
 };