Redundant 'toString()' in String Template: Disable for qualified expressions with 'super' receiver

#KT-13942 Fixed

ChangeLog.md

@@ -117,6 +117,7 @@ These artifacts include extensions for the types available in the latter JDKs, s
 - [`KT-13876`](https://youtrack.jetbrains.com/issue/KT-13876) Move to Companion Object: Forbid for functions/properties referencing type parameters of the containing class
 - [`KT-13877`](https://youtrack.jetbrains.com/issue/KT-13877) Move to Companion Object: Warn if companion object already contains function with the same signature
 - [`KT-13933`](https://youtrack.jetbrains.com/issue/KT-13933) Convert Parameter to Receiver: Do not qualify companion members with labeled 'this'
+- [`KT-13942`](https://youtrack.jetbrains.com/issue/KT-13942) Redundant 'toString()' in String Template: Disable for qualified expressions with 'super' receiver
 
 ##### New features
 

idea/src/org/jetbrains/kotlin/idea/inspections/RemoveToStringInStringTemplateInspection.kt

@@ -33,6 +33,7 @@ class RemoveToStringInStringTemplateInspection : AbstractKotlinInspection(), Cle
                 override fun visitCallExpression(expression: KtCallExpression) {
                     val qualifiedExpression = expression.parent as? KtDotQualifiedExpression ?: return
                     if (qualifiedExpression.parent !is KtBlockStringTemplateEntry) return
+                    if (qualifiedExpression.receiverExpression is KtSuperExpression) return
                     if (!qualifiedExpression.isToString()) return
 
                     holder.registerProblem(expression,

idea/testData/inspections/removeToStringInStringTemplate/test.kt

@@ -1 +1,9 @@
-val z = "a${"b".toString()}"
+val z = "a${"b".toString()}"
+
+open class X {
+    override fun toString() = "X()"
+}
+
+class Y : X() {
+    override fun toString() = "Y() ${super.toString()}"
+}