tests and fix for pr112027

tests/bugs150/pr112027.aj

+public aspect pr112027 {
+  pointcut pc() : this(pr112027);
+  before(pr112027 tis) : pc() && this(tis) { }
+}

tests/src/org/aspectj/systemtest/ajc150/Ajc150Tests.java

   public void testGenericITDsAndAbstractMethodError_pr102357() { runTest("generic itds and abstract method error");}
   */
   
+  public void testUnboundFormal_pr112027() { runTest("unexpected error unboundFormalInPC");}
+  
   public void testBadDecp_pr110788_1() { runTest("bad generic decp - 1");}
   public void testBadDecp_pr110788_2() { runTest("bad generic decp - 2");}
   public void testBadDecp_pr110788_3() { runTest("bad generic decp - 3");}

tests/src/org/aspectj/systemtest/ajc150/ajc150.xml

      <compile files="pr102357.aj"/>
      <run class="pr102357"/>
    </ajc-test>
+   
+   <ajc-test dir="bugs150" title="unexpected error unboundFormalInPC">
+     <compile files="pr112027.aj"/>
+   </ajc-test>
 
    <ajc-test dir="bugs150" title="ITD varargs in constructor">
      <compile files="pr111481.aj" options="-1.5"/>

weaver/src/org/aspectj/weaver/patterns/BindingTypePattern.java

     }
     public int hashCode() {
         int result = 17;
-        result = 37*result + type.hashCode();
+        result = 37*result + super.hashCode();
         result = 37*result + formalIndex;
         return result;
     }

weaver/src/org/aspectj/weaver/patterns/ExactTypePattern.java

 		
     public boolean equals(Object other) {
     	if (!(other instanceof ExactTypePattern)) return false;
+    	if (other instanceof BindingTypePattern) return false;
     	ExactTypePattern o = (ExactTypePattern)other;
     	if (includeSubtypes != o.includeSubtypes) return false;
     	if (isVarArgs != o.isVarArgs) return false;   	
     public int hashCode() {
         int result = 17;
         result = 37*result + type.hashCode();
+        result = 37*result + new Boolean(includeSubtypes).hashCode();
+        result = 37*result + new Boolean(isVarArgs).hashCode();
+        result = 37*result + typeParameters.hashCode();
         result = 37*result + annotationPattern.hashCode();
         return result;
     }