[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/lambdaMultipleDestructs.kt

@@ -0,0 +1,36 @@
+
+
+// FILE: test.kt
+data class A(val x: String, val y: Int)
+
+fun foo(a: A, b: A, block: (A, A) -> String): String = block(a, b)
+
+fun box() {
+    foo(A("O", 123), A("K", 877)) { (x, y), (z, w) -> (x + z) + (y + w) }
+}
+
+// EXPECTATIONS
+
+// EXPECTATIONS JVM
+// test.kt:9 box:
+// test.kt:4 <init>: x:java.lang.String="O":java.lang.String, y:int=123:int
+// test.kt:9 box:
+// test.kt:4 <init>: x:java.lang.String="K":java.lang.String, y:int=877:int
+// test.kt:9 box:
+// test.kt:6 foo: a:A=A, b:A=A, block:kotlin.jvm.functions.Function2=TestKt$box$1
+// test.kt:9 invoke: $dstr$x$y:A=A, $dstr$z$w:A=A
+// test.kt:6 foo: a:A=A, b:A=A, block:kotlin.jvm.functions.Function2=TestKt$box$1
+// test.kt:9 box:
+// test.kt:10 box:
+
+// EXPECTATIONS JVM_IR
+// test.kt:9 box:
+// test.kt:4 <init>: x:java.lang.String="O":java.lang.String, y:int=123:int
+// test.kt:9 box:
+// test.kt:4 <init>: x:java.lang.String="K":java.lang.String, y:int=877:int
+// test.kt:9 box:
+// test.kt:6 foo: a:A=A, b:A=A, block:kotlin.jvm.functions.Function2=TestKt$box$1
+// test.kt:9 invoke:
+// test.kt:6 foo: a:A=A, b:A=A, block:kotlin.jvm.functions.Function2=TestKt$box$1
+// test.kt:9 box:
+// test.kt:10 box: