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-rw-r--r--mrbgems/mruby-random/src/random.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mrbgems/mruby-random/src/random.c b/mrbgems/mruby-random/src/random.c
index 515c0707a..6f31b15a6 100644
--- a/mrbgems/mruby-random/src/random.c
+++ b/mrbgems/mruby-random/src/random.c
@@ -210,9 +210,16 @@ random_m_srand(mrb_state *mrb, mrb_value self)
* Shuffles elements in self in place.
*/
+#if defined _MSC_VER && _MSC_VER >= 1900
+#pragma optimize( "", off )
+#endif
static mrb_value
mrb_ary_shuffle_bang(mrb_state *mrb, mrb_value ary)
{
+ /*
+ * MSC compiler generating invalid instructions with optimization
+ * enabled
+ */
mrb_int i;
mrb_value max;
mrb_value r = mrb_nil_value();