test_jit.rb: test newhashfromarray

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65355 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_jit.rb

@@ -239,6 +239,10 @@ class TestJIT < Test::Unit::TestCase
     assert_compile_once('a = 1; { a: a }', result_inspect: '{:a=>1}', insns: %i[newhash])
   end
 
+  def test_compile_insn_newhashfromarray
+    assert_compile_once('{ a: 1 }', result_inspect: '{:a=>1}', insns: %i[newhashfromarray])
+  end
+
   def test_compile_insn_newrange
     assert_compile_once('a = 1; 0..a', result_inspect: '0..1', insns: %i[newrange])
   end