bandaid patch for Thread#raise

core/thread.rbs

@@ -991,9 +991,8 @@ class Thread < Object
   #      from prog.rb:2:in `new'
   #      from prog.rb:2
   #
-  def self?.raise: () -> bot
-                 | (String message, ?cause: Exception?) -> bot
-                 | (_Exception exception, ?untyped message, ?::Array[String] backtrace, ?cause: Exception?) -> bot
+  def raise: (?String message) -> nil
+           | (_Exception, ?_ToS message, ?Array[String] backtrace) -> nil
 
   # <!--
   #   rdoc-file=thread.c

test/stdlib/Thread_test.rb

@@ -43,4 +43,30 @@ def test_native_thread_id
       Thread.current, :native_thread_id
     )
   end
+
+  def test_raise
+    t = Thread.new do
+      begin
+        sleep
+      rescue
+        retry
+      end
+    end
+    t.report_on_exception = false
+
+    assert_send_type "() -> nil",
+                     t, :raise
+    assert_send_type "(String) -> nil",
+                     t, :raise, "Error!"
+    assert_send_type "(singleton(StandardError)) -> nil",
+                     t, :raise, StandardError
+    assert_send_type "(StandardError) -> nil",
+                     t, :raise, StandardError.new('Error!')
+    assert_send_type "(singleton(StandardError), String) -> nil",
+                     t, :raise, StandardError, 'Error!'
+    assert_send_type "(singleton(StandardError), String, Array[String]) -> nil",
+                     t, :raise, StandardError, 'Error!', caller
+
+    t.kill
+  end
 end