extract method: don't skip vars from the exit statements if nullable checks would be added (IDEA-141562)

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

@@ -0,0 +1,12 @@
+class X {
+  static String guessTestDataName(String method, String testName, String[] methods) {
+    for (String psiMethod : methods) {
+      <selection>String strings = method;
+      if (strings != null && !strings.isEmpty()) {
+        return strings.substring(0) + testName;
+      }
+      </selection>
+    }
+    return null;
+  }
+}

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

@@ -0,0 +1,21 @@
+import org.jetbrains.annotations.Nullable;
+
+class X {
+  static String guessTestDataName(String method, String testName, String[] methods) {
+    for (String psiMethod : methods) {
+        String strings = newMethod(method, testName);
+        if (strings != null) return strings;
+      
+    }
+    return null;
+  }
+
+    @Nullable
+    private static String newMethod(String method, String testName) {
+        String strings = method;
+        if (strings != null && !strings.isEmpty()) {
+          return strings.substring(0) + testName;
+        }
+        return null;
+    }
+}

java/java-tests/testData/refactoring/extractMethod/GuardMethodDuplicates1_after.java

@@ -7,7 +7,6 @@ public class Test {
     }
 
     private boolean newMethod() {
-        Object result;
         if (test1()) return true;
         if (test2()) return true;
         return false;