[Test] Add regression tests for issues which are fixed in K2

Related issues:
KT-10879, KT-18055, KT-20617, KT-23873
KT-25668, KT-31191, KT-33108, KT-41013
KT-51827, KT-53886, KT-56624, KT-58447
KT-58458, KT-58751, KT-58814, KT-60597
KT-62806, KT-63258, KT-63444, KT-65101
KT-65408, KT-65844, KT-66186

^KT-65926 Fixed

compiler/testData/diagnostics/tests/smartCasts/syntheticAccessorOnSmartcastedReceiver.kt

@@ -0,0 +1,17 @@
+// ISSUE: KT-10879
+// FILE: A.java
+public interface A {
+    A getFoo();
+}
+
+// FILE: main.kt
+interface B : A
+interface C : A
+
+fun test(x: A) {
+    if (x !is C) return
+    if (x is B) {
+        x.<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>.<!DEBUG_INFO_MISSING_UNRESOLVED!>foo<!>
+        x.getFoo().foo
+    }
+}