[IR] More extensive LVT tests around destructuring

All tests in this commit _pass_ to document existing behavior, but
this will change in a separate commit as we reflect desired behavior
in the test expectations.

compiler/testData/debug/localVariables/destructuring/lambdaCustomComponentNsMultiline.kt

@@ -0,0 +1,62 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+
+// FILE: test.kt
+class MyPair(val x: String, val y: String) {
+    operator fun component1(): String {
+        return "O"
+    }
+
+    operator fun component2(): String {
+        return "K"
+    }
+}
+
+fun foo(a: MyPair, block: (MyPair) -> String): String = block(a)
+
+fun box() {
+    foo(MyPair("X", "Y"))
+    {
+            (
+                x
+                    ,
+                y
+            )
+        ->
+        x + y
+    }
+}
+
+// EXPECTATIONS
+
+// EXPECTATIONS JVM
+// test.kt:17 box:
+// test.kt:4 <init>: x:java.lang.String="X":java.lang.String, y:java.lang.String="Y":java.lang.String
+// test.kt:18 box:
+// test.kt:17 box:
+// test.kt:14 foo: a:MyPair=MyPair, block:kotlin.jvm.functions.Function1=TestKt$box$1
+// test.kt:25 invoke: $dstr$x$y:MyPair=MyPair
+// test.kt:6 component1:
+// test.kt:25 invoke: $dstr$x$y:MyPair=MyPair
+// test.kt:10 component2:
+// test.kt:25 invoke: $dstr$x$y:MyPair=MyPair
+// test.kt:14 foo: a:MyPair=MyPair, block:kotlin.jvm.functions.Function1=TestKt$box$1
+// test.kt:17 box:
+// test.kt:27 box:
+
+// EXPECTATIONS JVM_IR
+// test.kt:17 box:
+// test.kt:4 <init>: x:java.lang.String="X":java.lang.String, y:java.lang.String="Y":java.lang.String
+// test.kt:17 box:
+// test.kt:14 foo: a:MyPair=MyPair, block:kotlin.jvm.functions.Function1=TestKt$box$1
+// test.kt:19 invoke:
+// test.kt:20 invoke:
+// test.kt:6 component1:
+// test.kt:20 invoke:
+// test.kt:19 invoke: x:java.lang.String="O":java.lang.String
+// test.kt:22 invoke: x:java.lang.String="O":java.lang.String
+// test.kt:10 component2:
+// test.kt:22 invoke: x:java.lang.String="O":java.lang.String
+// test.kt:25 invoke: x:java.lang.String="O":java.lang.String, y:java.lang.String="K":java.lang.String
+// test.kt:14 foo: a:MyPair=MyPair, block:kotlin.jvm.functions.Function1=TestKt$box$1
+// test.kt:17 box:
+// test.kt:27 box: