YJIT: Fix cfunc splat

Follow-up for cb8a040b7906c09d9d3ac3d3fe853f633005024f.

1 files changed, 12 insertions, 1 deletions

diff --git a/bootstraptest/test_yjit.rb b/bootstraptest/test_yjit.rb
index 568cc583b1..b064bcdde7 100644
--- a/bootstraptest/test_yjit.rb
+++ b/bootstraptest/test_yjit.rb
@@ -3585,7 +3585,7 @@ assert_equal 'true', %q{
   1.send(:==, 1, *[])
 }
 
-# Test send with splat to a cfunc
+# Test empty splat with cfunc
 assert_equal '2', %q{
   def foo
     Integer.sqrt(4, *[])
@@ -3594,3 +3594,14 @@ assert_equal '2', %q{
   foo
   foo
 }
+
+# Test non-empty splat with cfunc
+assert_equal 'Hello World', %q{
+  def bar
+    args = ["Hello "]
+    greeting = "World"
+    greeting.insert(0, *args)
+    greeting
+  end
+  bar
+}