SI-8182 Avert crash due to type args in pattern

Error out type args on binary op after emitting error.
Let the parse limp into the whirring blades.

1 files changed, 18 insertions, 0 deletions

diff --git a/test/files/neg/t8182.scala b/test/files/neg/t8182.scala
new file mode 100644
index 0000000000..1b3bc9821f
--- /dev/null
+++ b/test/files/neg/t8182.scala
@@ -0,0 +1,18 @@
+
+trait X {
+  val a b     // something missing
+}
+trait Y {
+  val a b[B]  // error then continue as for X
+}
+trait Z {
+  (null: Any) match {
+    case a b[B] => // bumpy recovery
+  }
+}
+object B { def unapply[W](a: Any) = Some((1,2)) }
+trait Z {
+  (null: Any) match {
+    case a B[T] b =>
+  }
+}