do not break qualifier removal into 2 transactions: one to remove qualifier and another one to remove leading dot (IllegalArgumentException is thrown by ChangeSignatureDetector)

java/java-impl/src/com/intellij/psi/impl/source/PsiJavaCodeReferenceElementImpl.java

@@ -191,8 +191,9 @@ public class PsiJavaCodeReferenceElementImpl extends CompositePsiElement impleme
   public void deleteChildInternal(@NotNull final ASTNode child) {
     if (getChildRole(child) == ChildRole.QUALIFIER) {
       final ASTNode dot = findChildByRole(ChildRole.DOT);
-      super.deleteChildInternal(child);
-      deleteChildInternal(dot);
+      /*super.deleteChildInternal(child);
+      deleteChildInternal(dot);*/
+      deleteChildRange(child.getPsi(), dot.getPsi());
     }
     else {
       super.deleteChildInternal(child);

java/java-tests/testData/refactoring/introduceVariable/genericWithTwoParameters/after/Client.java

@@ -2,6 +2,6 @@ import util.Pair;
 
 class Client {
     void method() {
-        Pair<String, Pair<Integer,Boolean>> p = PairProvider.getPair();
+        Pair<String,Pair<Integer,Boolean>> p = PairProvider.getPair();
     }
 }

java/java-tests/testData/refactoring/safeDelete/javadocParamRef/after/Super.java

@@ -2,7 +2,7 @@ class Super {
   void m1(String p2) {}
 
     /**
-     * @see #m1( String)
+     * @see #m1(String)
      */
     void m2() {}
 }