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Fix stack allocation after on-trace stack check.

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This commit is contained in:
Mike Pall 2021-09-21 16:42:35 +02:00
parent 68ffbd318b
commit 204cee2c91
1 changed files with 5 additions and 1 deletions
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6
src/lj_trace.c
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@ -452,7 +452,11 @@ static void trace_stop(jit_State *J)
lua_assert(J->parent != 0 && J->cur.root != 0); lua_assert(J->parent != 0 && J->cur.root != 0);
lj_asm_patchexit(J, traceref(J, J->parent), J->exitno, J->cur.mcode); lj_asm_patchexit(J, traceref(J, J->parent), J->exitno, J->cur.mcode);
/* Avoid compiling a side trace twice (stack resizing uses parent exit). */ /* Avoid compiling a side trace twice (stack resizing uses parent exit). */
traceref(J, J->parent)->snap[J->exitno].count = SNAPCOUNT_DONE; {
SnapShot *snap = &traceref(J, J->parent)->snap[J->exitno];
snap->count = SNAPCOUNT_DONE;
if (J->cur.topslot > snap->topslot) snap->topslot = J->cur.topslot;
}
/* Add to side trace chain in root trace. */ /* Add to side trace chain in root trace. */
{ {
GCtrace *root = traceref(J, J->cur.root); GCtrace *root = traceref(J, J->cur.root);