https://git.ruby-lang.org/ruby.git/commit/?id=798e21637f

From 798e21637f28d308bf0d52081fedd1a49cd1f851 Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@a...>
Date: Fri, 8 Apr 2022 12:29:02 +0900
Subject: sync `vm->constant_cache`

On multi-ractors, `vm->constant_cache` (and so on) can be accessed
in parallel so we need to synchronize the accesses to them.

http://rubyci.s3.amazonaws.com/centos7/ruby-master/log/20220407T213003Z.log.html.gz#btest
---
 vm_insnhelper.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index f56e01d7f7..87aaeefa7e 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -4963,7 +4963,12 @@ static void https://github.com/ruby/ruby/blob/trunk/vm_insnhelper.c#L4963
 vm_ic_compile(rb_control_frame_t *cfp, IC ic)
 {
     const rb_iseq_t *iseq = cfp->iseq;
-    rb_iseq_each(iseq, cfp->pc - ISEQ_BODY(iseq)->iseq_encoded, vm_ic_compile_i, (void *) ic);
+
+    RB_VM_LOCK_ENTER();
+    {
+        rb_iseq_each(iseq, cfp->pc - ISEQ_BODY(iseq)->iseq_encoded, vm_ic_compile_i, (void *) ic);
+    }
+    RB_VM_LOCK_LEAVE();
 }
 
 // For MJIT inlining
-- 
cgit v1.2.1


--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/