https://git.ruby-lang.org/ruby.git/commit/?id=e778de2c82

From e778de2c82478dda930cfc8d795ed4e0e60ea775 Mon Sep 17 00:00:00 2001
From: nagachika <nagachika@r...>
Date: Sun, 6 Sep 2020 10:54:53 +0900
Subject: merge revision(s) 11963da9e8e98821860fbb0c0f2adc118860c814: [Backport
 #16603] [Backport #17141]

	Check type of empty keyword [Bug #16603]

	Co-authored-by: Yusuke Endoh <mame@r...>

diff --git a/compile.c b/compile.c
index 15b7076..5f86a5b 100644
--- a/compile.c
+++ b/compile.c
@@ -4241,7 +4241,7 @@ compile_hash(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *node, int popp https://github.com/ruby/ruby/blob/trunk/compile.c#L4241
                 FLUSH_CHUNK();
 
                 const NODE *kw = node->nd_next->nd_head;
-                int empty_kw = nd_type(kw) == NODE_LIT;       /* foo(  ..., **{}, ...) */
+                int empty_kw = nd_type(kw) == NODE_LIT && RB_TYPE_P(kw->nd_lit, T_HASH); /* foo(  ..., **{}, ...) */
                 int first_kw = first_chunk && stack_len == 0; /* foo(1,2,3, **kw, ...) */
                 int last_kw = !node->nd_next->nd_next;        /* foo(  ..., **kw) */
                 int only_kw = last_kw && first_kw;            /* foo(1,2,3, **kw) */
diff --git a/test/ruby/test_keyword.rb b/test/ruby/test_keyword.rb
index a045955..e9be530 100644
--- a/test/ruby/test_keyword.rb
+++ b/test/ruby/test_keyword.rb
@@ -5052,6 +5052,12 @@ class TestKeywordArgumentsSymProcRefinements < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_keyword.rb#L5052
     end
   end
 
+  def test_splat_fixnum
+    bug16603 = '[ruby-core:97047] [Bug #16603]'
+    assert_raise(TypeError, bug16603) { p(**42) }
+    assert_raise(TypeError, bug16603) { p(k:1, **42) }
+  end
+
   def test_ruby2_keywords_hash_empty_kw_splat
     def self.foo(*a) a.last end
     singleton_class.send(:ruby2_keywords, :foo)
diff --git a/version.h b/version.h
index def4cde..de0ba11 100644
--- a/version.h
+++ b/version.h
@@ -2,11 +2,11 @@ https://github.com/ruby/ruby/blob/trunk/version.h#L2
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 1
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 119
+#define RUBY_PATCHLEVEL 120
 
 #define RUBY_RELEASE_YEAR 2020
 #define RUBY_RELEASE_MONTH 9
-#define RUBY_RELEASE_DAY 5
+#define RUBY_RELEASE_DAY 6
 
 #include "ruby/version.h"
 
-- 
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