[java-decompiler] synthetic inner class constructor parameter filtering (IDEA-147606)

testData/src/pkg/TestInnerClassConstructor.java

@@ -1,10 +1,14 @@
 package pkg;
 
 class TestInnerClassConstructor {
-  void m() {
+  void l() {
     new Inner("text");
   }
 
+  void m() {
+    new Another(3, 4);
+  }
+
   void n(String s) {
     System.out.println("n(): " + s);
   }
@@ -14,4 +18,10 @@ class TestInnerClassConstructor {
       n(s);
     }
   }
+
+  private class Another {
+    private Another(int a, int b) {
+      n(a + "+" + b);
+    }
+  }
 }