https://git.ruby-lang.org/ruby.git/commit/?id=d3733c2ba5

From d3733c2ba5207d29ef5b52a93672873ae369b52c Mon Sep 17 00:00:00 2001
From: Maxime Chevalier-Boisvert <maxime.chevalierboisvert@s...>
Date: Tue, 20 Sep 2022 19:30:10 -0400
Subject: Guard `--yjit-stats` behind `#[cfg(feature = "stats")]` (#6409)

* Guard --yjit-stats behind #[cfg(feature = "stats")]

* Only ask for --yjit-stats with dev builds on cirrus CI

* Revert "Only ask for --yjit-stats with dev builds on cirrus CI"

This reverts commit cfb5ddfa4b9394ca240447eee02637788435b02a.

* Make it so the --yjit-stats option works for non-release builds

* Revert accidental changes
---
 yjit/src/options.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/yjit/src/options.rs b/yjit/src/options.rs
index cad7bf332a..e588876173 100644
--- a/yjit/src/options.rs
+++ b/yjit/src/options.rs
@@ -151,8 +151,10 @@ pub fn parse_option(str_ptr: *const std::os::raw::c_char) -> Option<()> { https://github.com/ruby/ruby/blob/trunk/yjit/src/options.rs#L151
 
         ("greedy-versioning", "") => unsafe { OPTIONS.greedy_versioning = true },
         ("no-type-prop", "") => unsafe { OPTIONS.no_type_prop = true },
+
         ("stats", "") => {
             // Insn::IncrCounter uses ldaddal, which works only on ARMv8.1+.
+            #[cfg(feature = "stats")]
             #[cfg(target_arch = "aarch64")]
             if !std::arch::is_aarch64_feature_detected!("lse") {
                 eprintln!("Your processor does not support --yjit-stats. Aborting.");
@@ -161,6 +163,7 @@ pub fn parse_option(str_ptr: *const std::os::raw::c_char) -> Option<()> { https://github.com/ruby/ruby/blob/trunk/yjit/src/options.rs#L163
 
             unsafe { OPTIONS.gen_stats = true }
         },
+
         ("trace-exits", "") => unsafe { OPTIONS.gen_trace_exits = true; OPTIONS.gen_stats = true },
         ("dump-insns", "") => unsafe { OPTIONS.dump_insns = true },
         ("verify-ctx", "") => unsafe { OPTIONS.verify_ctx = true },
-- 
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