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-rw-r--r--tests/untried/neg-with-implicits/t5318.scala8
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/untried/neg-with-implicits/t5318.scala b/tests/untried/neg-with-implicits/t5318.scala
new file mode 100644
index 000000000..5be82a02a
--- /dev/null
+++ b/tests/untried/neg-with-implicits/t5318.scala
@@ -0,0 +1,8 @@
+class CompilerHang {
+ trait TC[M[_]]
+ trait S[A]
+
+ implicit def tc[M[_]](implicit M0: TC[M]): TC[S] = null
+ def breakage[F[_] : TC] = 0
+ breakage // type checker doesn't terminate, should report inference failure
+}