K1/K2: add reproducers for KT-66229, KT-66243 and KT-66272

As all these issues aren't reproducible in K2, we may count them as fixed.
Related to KT-53478
#KT-66229 Fixed
#KT-66243 Fixed
#KT-66272 Fixed

compiler/testData/codegen/box/builderInference/issues/kt66243.kt

@@ -0,0 +1,25 @@
+// ISSUE: KT-66243
+// IGNORE_BACKEND_K1: ANY
+// Reason: Could not load module <Error module>
+
+class A<T>
+class Test<T> {
+    fun add(a: T) {}
+    var lambdaInVariable: ((A<T>) -> Unit)? = null
+}
+
+fun <T> builder(x: Test<T>.() -> Unit): Test<T> {
+    return Test<T>().apply(x)
+}
+
+fun check() {
+    val x = builder {
+        add(1)
+        lambdaInVariable =  {}
+    }
+}
+
+fun box(): String {
+    check()
+    return "OK"
+}