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Bug when growing a stack

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When a stack grows, its extra area can be in use, and it becomes part
of the common area. So, the extra area must be kept correct all the
times. (Bug introduced by commit 5aa36e894f5.)
This commit is contained in:
Roberto Ierusalimschy
2020-11-08 11:52:26 -03:00
parent 58216600eb
commit d282652561
3 changed files with 4 additions and 4 deletions
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2
lstate.c
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@@ -181,7 +181,7 @@ static void stack_init (lua_State *L1, lua_State *L) {
int i; CallInfo *ci;
/* initialize stack array */
L1->stack = luaM_newvector(L, BASIC_STACK_SIZE + EXTRA_STACK, StackValue);
for (i = 0; i < BASIC_STACK_SIZE; i++)
for (i = 0; i < BASIC_STACK_SIZE + EXTRA_STACK; i++)
setnilvalue(s2v(L1->stack + i)); /* erase new stack */
L1->top = L1->stack;
L1->stack_last = L1->stack + BASIC_STACK_SIZE;