From: sergos@tarantool.org
To: tarantool-patches@freelists.org
Subject: [tarantool-patches] [PATCH] luajit: fold machinery misbehaves
Date: Thu, 25 Jul 2019 12:05:25 +0000 [thread overview]
Message-ID: <20190725120525.897-1-sergos@tarantool.org> (raw)
This is a temporary solution for
https://github.com/LuaJIT/LuaJIT/issues/505
Follow-up: #4376
---
src/lj_opt_fold.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/lj_opt_fold.c b/src/lj_opt_fold.c
index acbf36a..e326aff 100644
--- a/src/lj_opt_fold.c
+++ b/src/lj_opt_fold.c
@@ -505,6 +505,11 @@ LJFOLDF(kfold_strref_snew)
{
PHIBARRIER(fleft);
if (irref_isk(fins->op2) && fright->i == 0) {
+ /*
+ ** Temporary stub for LuaJIT bug #505 https://github.com/LuaJIT/LuaJIT/issues/505
+ ** Follow-up tracker is #4376
+ */
+ return NEXTFOLD;
return fleft->op1; /* strref(snew(ptr, len), 0) ==> ptr */
} else {
/* Reassociate: strref(snew(strref(str, a), len), b) ==> strref(str, a+b) */
--
2.17.1
next reply other threads:[~2019-07-25 12:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-25 12:05 sergos [this message]
2019-07-30 19:59 sergos
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