make macrodef.backtrace=false cause all the nested tasks/types to have the same location as the macrodef instance

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@442369 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/MacroInstance.java

@@ -249,7 +249,8 @@ public class MacroInstance extends Task implements DynamicAttribute, TaskContain
         ret.setQName(ue.getQName());
         ret.setTaskType(ue.getTaskType());
         ret.setTaskName(ue.getTaskName());
-        ret.setLocation(ue.getLocation());
+        ret.setLocation(
+            macroDef.getBackTrace() ? ue.getLocation() : getLocation());
         if (getOwningTarget() == null) {
             Target t = new Target();
             t.setProject(getProject());

src/testcases/org/apache/tools/ant/LocationTest.java

@@ -52,7 +52,7 @@ public class LocationTest extends BuildFileTest {
         assertFalse(c.getLocation().getLineNumber() == 0);
     }
 
-    public void XtestMacrodefWrappedTask() {
+    public void testMacrodefWrappedTask() {
         executeTarget("testMacrodefWrappedTask");
         Echo e = (Echo) getProject().getReference("echo3");
         assertTrue(getLog().indexOf("Line: "