Fix 432178: percflow concreteaspectcodegen problem

loadtime/src/org/aspectj/weaver/loadtime/ConcreteAspectCodeGen.java

@@ -366,11 +366,11 @@ public class ConcreteAspectCodeGen {
 		if (bytes != null) {
 			return bytes;
 		}
+		PerClause.Kind perclauseKind = PerClause.SINGLETON;		
 		PerClause parentPerClause = (parent != null ? parent.getPerClause() : null);
-		if (parentPerClause == null) {
-			parentPerClause = new PerSingleton();
+		if (parentPerClause != null) {
+			perclauseKind = parentPerClause.getKind();
 		}
-		PerClause.Kind perclauseKind = PerClause.SINGLETON;
 		String perclauseString = null;
 
 		if (concreteAspect.perclause != null) {

tests/bugs180/432178/A.java

@@ -0,0 +1,9 @@
+public class A
+{
+    public static void main(String [] args)
+    {
+        B test = new B();
+        test.met();
+    }
+}
+

tests/bugs180/432178/B.java

@@ -0,0 +1,7 @@
+public class B
+{
+    public void met()
+    {
+        System.out.println("foo");
+    }
+}

tests/bugs180/432178/PerCFlowBug.java

@@ -0,0 +1,11 @@
+public abstract aspect PerCFlowBug percflow(pointexp())
+{
+    String name = "bar";
+
+    abstract pointcut pointexp();
+
+    after() : pointexp()
+    {
+        System.out.println(name);
+    }
+}

tests/bugs180/432178/aop.xml

@@ -0,0 +1,9 @@
+<aspectj>
+  <aspects>
+    <concrete-aspect name="PerCFlowBugImpl" extends="PerCFlowBug">
+      <pointcut name="pointexp" expression="(call (void *.met(..)))"/>
+    </concrete-aspect>
+  </aspects>
+  <weaver options="-verbose -debug -showWeaveInfo" >
+  </weaver>
+</aspectj>

tests/src/org/aspectj/systemtest/ajc180/Ajc180Tests.java

@@ -21,6 +21,10 @@ import org.aspectj.testing.XMLBasedAjcTestCase;
  */
 public class Ajc180Tests extends org.aspectj.testing.XMLBasedAjcTestCase {
 
+	public void testPercflowLtw_432178() {
+		runTest("percflow ltw");
+	}
+	
 	public void testStackmapframe_431976() {
 		runTest("stackmapframe");
 	}

tests/src/org/aspectj/systemtest/ajc180/ajc180.xml

@@ -2,6 +2,17 @@
 
 <suite>
 
+	<ajc-test dir="bugs180/432178" title="percflow ltw">
+		<compile options="-1.8" files="A.java B.java"/>
+		<compile options="-1.8" files="PerCFlowBug.java"/>
+		<run class="A" ltw="aop.xml">
+		<stdout>
+		  <line text="foo"/>
+		  <line text="bar"/>
+		</stdout>
+		</run>
+	</ajc-test>
+	
 	<ajc-test dir="bugs180/pr432714" title="stackmapframe">
 		<compile options="-1.8" files="Code.java"/>
 		<run class="Code"/>