Merged revisions 23111 via svnmerge from

https://lampsvn.epfl.ch/svn-repos/scala/scala/trunk

........
  r23111 | moors | 2010-09-27 15:27:35 +0200 (Mon, 27 Sep 2010) | 3 lines

  closes #3873. fixed unsoundness in dependent method types reported by
Ingo.

  review by maier as no good deed goes unpunished
........

3 files changed, 19 insertions, 0 deletions

diff --git a/test/files/neg/t3873.check b/test/files/neg/t3873.check
new file mode 100644
index 0000000000..54d6abdf63
--- /dev/null
+++ b/test/files/neg/t3873.check
@@ -0,0 +1,6 @@
+t3873.scala:11: error: type mismatch;
+ found   : Test.a.B
+ required: a.B
+  wrongf(new A)(a.b) // should not compile -- TODO: improve error message? the "a" is ambiguous
+                  ^
+one error found
diff --git a/test/files/neg/t3873.flags b/test/files/neg/t3873.flags
new file mode 100644
index 0000000000..1c26b24745
--- /dev/null
+++ b/test/files/neg/t3873.flags
@@ -0,0 +1 @@
+-Ydependent-method-types
\ No newline at end of file
diff --git a/test/files/neg/t3873.scala b/test/files/neg/t3873.scala
new file mode 100644
index 0000000000..e7815f0937
--- /dev/null
+++ b/test/files/neg/t3873.scala
@@ -0,0 +1,12 @@
+class A {
+  class B
+  def b: B = new B
+}
+
+object Test {
+  def wrongf(a: A)(b: a.B): a.B = b
+
+  val a = new A
+  wrongf(a)(a.b)
+  wrongf(new A)(a.b) // should not compile -- TODO: improve error message? the "a" is ambiguous
+}
\ No newline at end of file