Light Classes: Skip irrelevant overloads when looking for light parameter

#KT-11868 Fixed

ChangeLog.md

@@ -173,6 +173,7 @@ Issues fixed:
 - [KT-11719](https://youtrack.jetbrains.com/issue/KT-11719) Fixed renaming of Kotlin parameters references in XML files
 - Fix several issues leading to exceptions: [KT-11579](https://youtrack.jetbrains.com/issue/KT-11579), [KT-11580](https://youtrack.jetbrains.com/issue/KT-11580), [KT-11777](https://youtrack.jetbrains.com/issue/KT-11777)
 - Fixed NoSuchFieldException in Kotlin module settings on IDEA Ultimate
+- [KT-11868](https://youtrack.jetbrains.com/issue/KT-11868) Fixed exception on search of functions/constructors with default parameters
 
 #### Debugger
 

compiler/light-classes/src/org/jetbrains/kotlin/asJava/lightClassUtils.kt

@@ -89,7 +89,9 @@ fun KtParameter.toPsiParameters(): Collection<PsiParameter> {
                 else -> null
             } ?: return emptyList()
 
-    return methods.map { it.parameterList.parameters[lightParamIndex] }
+    return methods.mapNotNull {
+        if (it.parameterList.parametersCount > lightParamIndex) it.parameterList.parameters[lightParamIndex] else null
+    }
 }
 
 fun KtTypeParameter.toPsiTypeParameters(): List<PsiTypeParameter> {

idea/testData/inspections/unusedSymbol/class/primaryConstructorWithDefaultParam.kt

@@ -0,0 +1,5 @@
+class Collected(var property: String = "")
+
+fun main(args: Array<String>) {
+    Collected().property = "0"
+}

idea/testData/inspections/unusedSymbol/function/funWithJvmOverloads.kt

@@ -0,0 +1,8 @@
+import kotlin.jvm.JvmOverloads
+
+@JvmOverloads
+fun foo(s: String = "")
+
+fun main(args: Array<String>) {
+    foo()
+}