IDEA-15281 A method/constructor parameter which is written (before read) should be treated as redundant implemented

java/java-tests/testData/inspection/quickFix/ConvertParameterToLocalVariable/beforeIf.java

@@ -0,0 +1,14 @@
+// "Convert to local variable" "true"
+class Temp {
+  public boolean flag;
+
+  void test(int <caret>p) {
+    if (flag) {
+      p = 1;
+    }
+    else {
+      p = 2;
+    }
+    System.out.print(p);
+  }
+}