Java: Add braces when extracting method from then/else branch or loop body (IDEA-181096)

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

@@ -0,0 +1,14 @@
+class DoIfWhile {
+    String foo(int a, boolean b) {
+        int x = 0;
+        do <selection>/*comment*/ if (b) {
+            String s = bar(x);
+            if (s != null) return s;
+        }</selection>
+        while (++x < a);
+
+        return null;
+    }
+
+    String bar(int x) { return "";}
+}