UNUSED_VARIABLE is now reported only for last entry of destructuring declaration (if applicable) #KT-14221 Fixed

idea/testData/checker/Shadowing.kt

@@ -6,9 +6,9 @@ class A {
 fun arrayA(): Array<A> = null!!
 
 fun foo(a: A, <warning>c</warning>: Int) {
-    val (<warning descr="[NAME_SHADOWING] Name shadowed: a"><warning descr="[UNUSED_VARIABLE] Variable 'a' is never used">a</warning></warning>, <warning>b</warning>) = a
+    val (<warning descr="[NAME_SHADOWING] Name shadowed: a">a</warning>, <warning>b</warning>) = a
     val arr = arrayA()
-    for ((<warning descr="[NAME_SHADOWING] Name shadowed: c">c</warning>, d) in arr) {
+    for ((<warning descr="[NAME_SHADOWING] Name shadowed: c">c</warning>, <warning>d</warning>) in arr) {
     }
 }
 

idea/testData/checker/regression/DescructuringDeclarationInForLoop.kt

@@ -1,3 +1,3 @@
 fun main() {
-    for ((i, j)<error>)</error> {}
+    for ((i, <warning>j</warning>)<error>)</error> {}
 }