Java: Don't create parameters for effectively local variables in extracted fragment (IDEA-180864)

java/java-tests/testData/refactoring/extractMethod/EffectivelyLocalWithinExpression.java

@@ -0,0 +1,19 @@
+public class EffectivelyLocalWithinExpression {
+    void foo() {
+        int n;
+        if (<selection>(n = z()) > 0 && n < 100</selection>) {
+            System.out.println();
+        }
+    }
+
+    void bar() {
+        int n;
+        if ((n = z()) > 1 && n < 100) {
+            System.out.println();
+        }
+    }
+
+    int z() {
+        return 1;
+    }
+}