False positive "unused constructor" for local class

#KT-30637 Fixed

idea/testData/quickfix/removeUnused/secondaryLocalClassConstructor.kt

@@ -0,0 +1,8 @@
+// "Safe delete constructor" "true"
+fun main() {
+    class LocalClass(val number: Int) {
+        <caret>constructor(s: String) : this(s.toInt())
+    }
+
+    val l = LocalClass(42)
+}