KT-11710 "Replace 'if' with elvis operator": incorrect code generated for 'if' expression

#KT-11710 Fixed

compiler/frontend/src/org/jetbrains/kotlin/psi/KtPsiUtil.java

@@ -475,7 +475,7 @@ public class KtPsiUtil {
 
             while (!(current instanceof KtBlockExpression || current instanceof KtDeclaration || current instanceof KtStatementExpression)) {
                 if (current.getTextRange().getEndOffset() != currentInner.getTextRange().getEndOffset()) {
-                    return current.getText().charAt(current.getTextLength() - 1) != ')'; // if current expression is "guarded" by parenthesis, no extra parenthesis is necessary
+                    return !(current instanceof KtParenthesizedExpression) && !(current instanceof KtValueArgumentList); // if current expression is "guarded" by parenthesis, no extra parenthesis is necessary
                 }
 
                 current = current.getParent();

idea/testData/intentions/ifNullToElvis/ifStatementPriority.kt

@@ -0,0 +1,6 @@
+// WITH_RUNTIME
+fun test(a: String?, b: String): String {
+    val x = if (true) a else b
+    <caret>if (x == null) throw Exception()
+    return x
+}

idea/testData/intentions/ifNullToElvis/ifStatementPriority.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+fun test(a: String?, b: String): String {
+    val x = (if (true) a else b) ?: throw Exception()
+    return x
+}

idea/tests/org/jetbrains/kotlin/idea/intentions/IntentionTestGenerated.java

@@ -5364,6 +5364,12 @@ public class IntentionTestGenerated extends AbstractIntentionTest {
             doTest(fileName);
         }
 
+        @TestMetadata("ifStatementPriority.kt")
+        public void testIfStatementPriority() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/intentions/ifNullToElvis/ifStatementPriority.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("MultiStatementBlock.kt")
         public void testMultiStatementBlock() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("idea/testData/intentions/ifNullToElvis/MultiStatementBlock.kt");