Protect against infinite property include loop

Update `ConfigFileApplicationListener` to ensure that a
`spring.profiles.include` property that refers to an already processed
profile doesn't cause an infinite loop.

Closes gh-13361

Author: philwebb

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/config/ConfigFileApplicationListener.java

@@ -543,6 +543,7 @@ private void addIncludedProfiles(Set<Profile> includeProfiles) {
 			LinkedList<Profile> existingProfiles = new LinkedList<>(this.profiles);
 			this.profiles.clear();
 			this.profiles.addAll(includeProfiles);
+			this.profiles.removeAll(this.processedProfiles);
 			this.profiles.addAll(existingProfiles);
 		}
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/ConfigFileApplicationListenerTests.java

@@ -892,6 +892,17 @@ public void locationReplaceDefaultLocation() {
 		assertThat(this.environment.getProperty("value")).isNull();
 	}
 
+	@Test
+	public void includeLoop() {
+		// gh-13361
+		SpringApplication application = new SpringApplication(Config.class);
+		application.setWebApplicationType(WebApplicationType.NONE);
+		this.context = application.run("--spring.config.name=applicationloop");
+		ConfigurableEnvironment environment = this.context.getEnvironment();
+		assertThat(environment.acceptsProfiles("loop")).isTrue();
+
+	}
+
 	private Condition<ConfigurableEnvironment> matchingPropertySource(
 			final String sourceName) {
 		return new Condition<ConfigurableEnvironment>(

spring-boot-project/spring-boot/src/test/resources/applicationloop-loop.properties

@@ -0,0 +1 @@
+spring.profiles.include=loop

spring-boot-project/spring-boot/src/test/resources/applicationloop.properties

@@ -0,0 +1 @@
+spring.profiles.include=loop