Fix for ModelAndView.status not working with RedirectView

spring-webmvc/src/main/java/org/springframework/web/servlet/DispatcherServlet.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -1368,6 +1368,7 @@ protected void render(ModelAndView mv, HttpServletRequest request, HttpServletRe
 		}
 		try {
 			if (mv.getStatus() != null) {
+				request.setAttribute(View.RESPONSE_STATUS_ATTRIBUTE, mv.getStatus());
 				response.setStatus(mv.getStatus().value());
 			}
 			view.render(mv.getModelInternal(), request, response);

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/ServletAnnotationControllerHandlerMethodTests.java

@@ -1795,6 +1795,18 @@ public void modelAndViewWithStatus() throws Exception {
 		assertThat(response.getForwardedUrl()).isEqualTo("view");
 	}
 
+	@Test
+	public void modelAndViewWithStatusForRedirect() throws Exception {
+		initServletWithControllers(ModelAndViewController.class);
+
+		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/redirect");
+		MockHttpServletResponse response = new MockHttpServletResponse();
+		getServlet().service(request, response);
+
+		assertThat(response.getStatus()).isEqualTo(307);
+		assertThat(response.getRedirectedUrl()).isEqualTo("/path");
+	}
+
 	@Test // SPR-14796
 	public void modelAndViewWithStatusInExceptionHandler() throws Exception {
 		initServletWithControllers(ModelAndViewController.class);
@@ -3699,6 +3711,11 @@ public ModelAndView methodWithHttpStatus(MyEntity object) {
 			return new ModelAndView("view", HttpStatus.UNPROCESSABLE_ENTITY);
 		}
 
+		@RequestMapping("/redirect")
+		public ModelAndView methodWithHttpStatusForRedirect(MyEntity object) {
+			return new ModelAndView("redirect:/path", HttpStatus.TEMPORARY_REDIRECT);
+		}
+
 		@RequestMapping("/exception")
 		public void raiseException() throws Exception {
 			throw new TestException();