All tests for TCO moved to box (with diagnostics marked up)

compiler/testData/codegen/box/functions/tailRecursion/recursiveCallInLocalFunction.kt

@@ -0,0 +1,10 @@
+<!NO_TAIL_CALLS_FOUND!>tailRecursive fun foo()<!> {
+    fun bar() {
+        <!NON_TAIL_RECURSIVE_CALL!>foo<!>()
+    }
+}
+
+fun box(): String {
+    foo()
+    return "OK"
+}