diff --git a/compiler/testData/diagnostics/tests/regressions/kt1736.jet b/compiler/testData/diagnostics/tests/regressions/kt1736.jet
new file mode 100644
index 00000000000..8214fc8e645
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/regressions/kt1736.jet
@@ -0,0 +1,10 @@
+//KT-1736 AssertionError in CallResolver
+
+package kt1736
+
+object Obj {
+    fun method() {
+    }
+}
+
+val x = Obj.method<!TOO_MANY_ARGUMENTS, DANGLING_FUNCTION_LITERAL_ARGUMENT_SUSPECTED!>{ -> }<!>
\ No newline at end of file
diff --git a/compiler/testData/diagnostics/tests/scopes/kt1244.jet b/compiler/testData/diagnostics/tests/scopes/kt1244.jet
new file mode 100644
index 00000000000..16bc89dc4ba
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/scopes/kt1244.jet
@@ -0,0 +1,13 @@
+//KT-1244 Frontend allows access to private members of other classes
+
+package kt1244
+
+class A {
+    private var a = ""
+}
+
+class B() {
+    {
+        A().<!INVISIBLE_MEMBER!>a<!> = "Hello"
+    }
+}
\ No newline at end of file
diff --git a/compiler/testData/diagnostics/tests/scopes/kt1738.jet b/compiler/testData/diagnostics/tests/scopes/kt1738.jet
new file mode 100644
index 00000000000..3ad2f15a121
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/scopes/kt1738.jet
@@ -0,0 +1,11 @@
+//KT-1738 Make it possible to define visibility for constructor parameters which become properties
+
+package kt1738
+
+class A(private var i: Int, var j: Int) {
+}
+
+fun test(a: A) {
+    a.<!INVISIBLE_MEMBER!>i<!>++
+    a.j++
+}
\ No newline at end of file