From 0a9ff94c4a1fcec2c310dcb092da694f23186e23 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Sun, 14 Oct 2018 15:21:37 +0200
Subject: Actually implement maxirconst trace limit.

Suggested by spacewander.
---
 src/lj_record.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/lj_record.c b/src/lj_record.c
index 1a2b1c5d..7f37d6c6 100644
--- a/src/lj_record.c
+++ b/src/lj_record.c
@@ -2470,8 +2470,9 @@ void lj_record_ins(jit_State *J)
 #undef rbv
 #undef rcv
 
-  /* Limit the number of recorded IR instructions. */
-  if (J->cur.nins > REF_FIRST+(IRRef)J->param[JIT_P_maxrecord])
+  /* Limit the number of recorded IR instructions and constants. */
+  if (J->cur.nins > REF_FIRST+(IRRef)J->param[JIT_P_maxrecord] ||
+      J->cur.nk < REF_BIAS-(IRRef)J->param[JIT_P_maxirconst])
     lj_trace_err(J, LJ_TRERR_TRACEOV);
 }
 
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