Update minimum Supported Java version in Xbase and Xtend to Java 8

full-build.sh

@@ -42,6 +42,8 @@ while [ "$1" != "" ]; do
  shift
 done
 
+MVN_ARGS+=(-fae)
+
 MVN_ARGS+=(-PuseJenkinsSnapshots)
 
 MVN_ARGS+=("-Dmaven.home=$(./mvnw --version | grep "Maven home:" | cut -c 13-)")

org.eclipse.xtend.core.tests/src/org/eclipse/xtend/core/tests/ModelExtensionsTest.java

@@ -40,7 +40,7 @@ public class ModelExtensionsTest extends AbstractXtendTestCase {
 
  @Test public void testXtendFunction() throws Exception {
  XtendFile file = file("package foo class Bar { def int foo() {1}}");
- XtendFunction xtendFunction = (XtendFunction) ((XtendClass) file.getXtendTypes().get(0)).getMembers().get(0);
+ XtendFunction xtendFunction = (XtendFunction) file.getXtendTypes().get(0).getMembers().get(0);
  assertEquals("foo", xtendFunction.getName());
  }