2 files changed, 35 insertions, 0 deletions
diff --git a/test/files/neg/t8675.check b/test/files/neg/t8675.check
new file mode 100644
index 0000000000..4e44fba918
--- /dev/null
+++ b/test/files/neg/t8675.check
@@ -0,0 +1,11 @@
+t8675.scala:13: error: type mismatch;
+ found   : Boolean(true)
+ required: String
+    a.update(0, x[A]({new isString(true)})) // !!! allowed
+                                   ^
+t8675.scala:22: error: type mismatch;
+ found   : Boolean(true)
+ required: String
+    new X().m(x[A]({new isString(true)})) // !!! allowed
+                                 ^
+two errors found
diff --git a/test/files/neg/t8675.scala b/test/files/neg/t8675.scala
new file mode 100644
index 0000000000..ca9bb57ffa
--- /dev/null
+++ b/test/files/neg/t8675.scala
@@ -0,0 +1,24 @@
+class A(s: String) {
+  def foo(x: A) = x
+}
+
+class isString(s: String)
+
+class Test {
+
+  def x[A](a: Any): A = ???
+
+  def test {
+    val a = Array[A]()
+    a.update(0, x[A]({new isString(true)})) // !!! allowed
+
+    // boils down to
+    class X {
+      def m(p: Any) {}
+    }
+    implicit class XOps(x: X) {
+      def m(p: Any) {}
+    }
+    new X().m(x[A]({new isString(true)})) // !!! allowed
+  }
+}