4 files changed, 14 insertions, 0 deletions
diff --git a/test/files/neg/t4842a.check b/test/files/neg/t4842a.check
new file mode 100644
index 0000000000..39d77bfc48
--- /dev/null
+++ b/test/files/neg/t4842a.check
@@ -0,0 +1,4 @@
+t4842a.scala:2: error: self constructor arguments cannot reference unconstructed `this`
+  def this(x: Int) = this(new { println(Foo.this)}) // error
+                                        ^
+one error found
diff --git a/test/files/neg/t4842a.scala b/test/files/neg/t4842a.scala
new file mode 100644
index 0000000000..78360effb4
--- /dev/null
+++ b/test/files/neg/t4842a.scala
@@ -0,0 +1,3 @@
+class Foo (x: AnyRef) {
+  def this(x: Int) = this(new { println(Foo.this)}) // error
+}
diff --git a/test/files/neg/t4842b.check b/test/files/neg/t4842b.check
new file mode 100644
index 0000000000..c7ccd5e059
--- /dev/null
+++ b/test/files/neg/t4842b.check
@@ -0,0 +1,4 @@
+t4842b.scala:2: error: self constructor arguments cannot reference unconstructed `this`
+  def this() = { this(???)(new { println(TypeArg.this.x) } ); println("next") } // error
+                                         ^
+one error found
diff --git a/test/files/neg/t4842b.scala b/test/files/neg/t4842b.scala
new file mode 100644
index 0000000000..a7996cc061
--- /dev/null
+++ b/test/files/neg/t4842b.scala
@@ -0,0 +1,3 @@
+class TypeArg[X](val x: X)(a: AnyRef) {
+  def this() = { this(???)(new { println(TypeArg.this.x) } ); println("next") } // error
+}