4 files changed, 56 insertions, 0 deletions
diff --git a/test/files/neg/bug691.check b/test/files/neg/bug691.check
new file mode 100644
index 0000000000..252ce6b5d3
--- /dev/null
+++ b/test/files/neg/bug691.check
@@ -0,0 +1,4 @@
+bug691.scala:27 error: ambiguous parent class qualifier
+    trait TiC extends super[Arrow].Ti2 with super[AssignArrow].Ti1;
+                      ^
+one error found
diff --git a/test/files/neg/bug691.scala b/test/files/neg/bug691.scala
new file mode 100755
index 0000000000..233476f658
--- /dev/null
+++ b/test/files/neg/bug691.scala
@@ -0,0 +1,29 @@
+trait Base {
+  trait AssignArrow {
+    type T <: Ti0;
+    trait Ti0;
+  }
+  abstract class Arrow extends AssignArrow;
+  val arrow : Arrow;
+}
+
+trait Ext0 extends Base {
+  trait AssignArrow extends super.AssignArrow {
+    type T <: Ti1;
+    trait Ti1 extends super.Ti0;
+  }
+}
+trait Ext1 extends Base {
+  trait Arrow extends super.Arrow {
+    type T <: Ti2;
+    trait Ti2 extends super.Ti0;
+    trait TiXX extends Ti2;
+  }
+  val arrow : Arrow;
+}
+trait Composition extends Ext0 with Ext1 {
+  object arrow0 extends Arrow with AssignArrow {
+    type T = TiC
+    trait TiC extends super[Arrow].Ti2 with super[AssignArrow].Ti1;
+  }
+}
diff --git a/test/files/neg/bug712.check b/test/files/neg/bug712.check
new file mode 100644
index 0000000000..277aaf6be5
--- /dev/null
+++ b/test/files/neg/bug712.check
@@ -0,0 +1,4 @@
+bug712.scala:10 error: value self is not a member of B.this.ParentImpl
+  implicit def coerce(p : ParentImpl) = p.self;
+                                         ^
+one error found
diff --git a/test/files/neg/bug712.scala b/test/files/neg/bug712.scala
new file mode 100644
index 0000000000..0887810c85
--- /dev/null
+++ b/test/files/neg/bug712.scala
@@ -0,0 +1,19 @@
+trait A {
+  type Node <: NodeImpl;
+  implicit def coerce(n : NodeImpl) = n.self;
+  trait NodeImpl {
+    def self : Node;
+  }
+}
+trait B extends A {
+  type Parent <: ParentImpl;
+  implicit def coerce(p : ParentImpl) = p.self;
+  trait ParentImpl;
+  type Symbol;
+  trait SymbolImpl {
+    def scope : Int;
+  }
+  implicit def coerceSym(sym : Symbol) : SymbolImpl;
+  var s : Symbol = null;
+  val s_scope = s.scope;
+}