failing test case demonstrating how generic arguments are preferred to

openarray and varargs arguments

tests/run/tvarargs_vs_generic.nim

@@ -0,0 +1,26 @@
+discard """
+  output: "direct\nopenarray\nvarargs"
+"""
+
+proc withDirectType(args: string) =
+  echo "direct"
+
+proc withDirectType[T](arg: T) =
+  echo "generic"
+
+proc withOpenArray(args: openarray[string]) =
+  echo "openarray"
+
+proc withOpenArray[T](arg: T) =
+  echo "generic"
+
+proc withVarargs(args: varargs[string]) =
+  echo "varargs"
+
+proc withVarargs[T](arg: T) =
+  echo "generic"
+
+withDirectType "string"
+withOpenArray "string"
+withVarargs "string"
+