wip

Author: rwstauner

bootstraptest/test_yjit.rb

@@ -4585,3 +4585,13 @@ def foo(&) = self.class.name(&)
     new.foo
   end
 }
+
+# regression test for splat with &proc{} when the target has rest (Bug #21266)
+assert_equal '[]', %q{
+  def foo(args) = bar(*args, &proc { _1 })
+  def bar(_, _, _, _, *rest) = yield rest
+
+  GC.stress = true
+  foo([1,2,3,4])
+  foo([1,2,3,4])
+}

test/ruby/test_yjit.rb

@@ -1526,6 +1526,18 @@ def test_disable_stats
     assert_in_out_err(%w[--yjit-stats --yjit-disable])
   end
 
+  def test_proc_block_with_kwrest
+    # When the bug was present this required --yjit-stats to trigger.
+    assert_compiles(<<~RUBY, result: {extra: 5})
+      def foo = bar(w: 1, x: 2, y: 3, z: 4, extra: 5, &proc { _1 })
+      def bar(w:, x:, y:, z:, **kwrest) = yield kwrest
+
+      GC.stress = true
+      foo
+      foo
+    RUBY
+  end
+
   private
 
   def code_gc_helpers