From b1017b26513c5773b30b88b0675ab070356fb2a8 Mon Sep 17 00:00:00 2001
From: Rory OConnell <19547+RoryO@users.noreply.github.com>
Date: Fri, 26 Jun 2020 21:44:31 -0700
Subject: Reduce scope of volatile keyword for MSC bug

---
 mrbgems/mruby-random/src/random.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'mrbgems/mruby-random')

diff --git a/mrbgems/mruby-random/src/random.c b/mrbgems/mruby-random/src/random.c
index f1834848d..55bea5713 100644
--- a/mrbgems/mruby-random/src/random.c
+++ b/mrbgems/mruby-random/src/random.c
@@ -215,15 +215,18 @@ mrb_ary_shuffle_bang(mrb_state *mrb, mrb_value ary)
 {
   mrb_int i;
   mrb_value max;
+  mrb_value r = mrb_nil_value();
+  rand_state *random;
+
  /*
- * MSC compiler generating invalid instructions with optimization
+ * MSC compiler bug generating invalid instructions with optimization
  * enabled
  */
 #if defined _MSC_VER && _MSC_VER >= 1923
-  volatile
+  volatile mrb_value rr;
+  rr = r;
+  r = rr;
 #endif
-  mrb_value r = mrb_nil_value();
-  rand_state *random;
 
   if (RARRAY_LEN(ary) > 1) {
     mrb_get_args(mrb, "|o", &r);
-- 
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