Added a test for KT-56500

compiler/testData/codegen/boxInline/capture/kt56500.kt

@@ -0,0 +1,17 @@
+// NO_CHECK_LAMBDA_INLINING
+// FILE: 1.kt
+class Box<T>(val value: T) {
+    inline fun run(block: (T) -> Unit) {
+        block(value)
+    }
+}
+
+// FILE: 2.kt
+fun box(): String {
+    var result: String = "fail"
+    Box("OK").run { outer ->
+        val block = { result = outer }
+        block()
+    }
+    return result
+}