https://git.ruby-lang.org/ruby.git/commit/?id=a493732c8e

From a493732c8e4d038885ae40c71dd3fc5118f36809 Mon Sep 17 00:00:00 2001
From: NAKAMURA Usaku <usa@r...>
Date: Fri, 31 Dec 2021 20:13:11 +0900
Subject: re-enabled YJIT on x64-mswin64

note that YJIT does not work correctly on the platform now.
---
 yjit.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yjit.h b/yjit.h
index c500fb1a694..cc1e23d3275 100644
--- a/yjit.h
+++ b/yjit.h
@@ -16,7 +16,7 @@ https://github.com/ruby/ruby/blob/trunk/yjit.h#L16
 #endif
 
 // We generate x86 assembly
-#if defined(__x86_64__)
+#if (defined(__x86_64__) && !defined(_WIN32)) || (defined(_WIN32) && defined(_M_AMD64)) // x64 platforms without mingw/msys
 # define YJIT_SUPPORTED_P 1
 #else
 # define YJIT_SUPPORTED_P 0
-- 
cgit v1.2.1


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